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| the point at which two lines of an angle meet |
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| on fourth quarter of a circle |
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| four equal sides and all angles equal 90 degrees |
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| the distance across a circle through its center point |
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| only two sides are equal lengths |
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| a triangle in which all three sides are pf equal length ad all three angles are equal |
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| a angle that measures less than 90 degrees |
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| line across a circle that does not pass through the circles center |
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| a triangle in which two sides are of equal length |
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| the distance from the center of a circle to its edge |
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Definition
| all sides are equal length and opposite angles are equal |
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Definition
| two sides are equal length and opposite angles are equal |
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| two or more circles of different sizes that share the same center point |
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| opposite sides are equal length and opposite angles are equal |
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| an angle that measures more than 90 degrees |
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| a triangle that has sides of three different lengths and angles with three different values |
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| the side of a right triangle that is opposite the 90 degree angle |
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| the process of creating a polygon that fully encloses a circle that is tangent to all the polygon sides |
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| angle that measures exactly 90 degrees |
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| a triangle in which one of the angles equals 90 degrees |
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| the distance around the edge of s circle, better known as the circles rim. |
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Definition
| divide into two equal parts |
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Definition
| a line and arc, or two arcs that touch each other at one point only |
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| two or more lines that are always the same distance apart. |
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Term
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Definition
| create a polygon that fully encloses a circle that is tangent to all of the polygons sides |
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Term
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Definition
| create a polygon fully enclosed by a circle that is tangent to all of the polygon sides |
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Definition
| divide into two equal sides |
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| straight line that touches curve or curved surface point |
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Term
| what is the standard height for lettering whole numbers? |
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Definition
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Term
| in single-stroke lettering, how are slanted strokes drawn? |
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Definition
| starting at the top and moving the pencil downward |
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Term
| in single stroke lettering, how is the letter W drawn? |
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Definition
| all strokes starting at the top and moving downward |
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| one characteristic of good freehand lettering is: |
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| fractions should be made with a division line that is: |
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Definition
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| what organization produces drafting standards for the US? |
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Definition
| American NAtional Standards Institute (ANSI) |
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| the space between words should be equal to the width of: |
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Definition
| the width of the letter O |
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Term
| the most commonly used freehand lettering style on engineering drawings is: |
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Definition
| vertical uppercase gothic |
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Term
| what is the purpose of vertical guidelines |
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Definition
| an aid to the eye when making vertical strokes |
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Term
| when doing single-stroke lettering draw vertical strokes: |
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Definition
| starting at the top and moving downward |
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Term
| the best example of lettering fractions is: |
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Definition
| 1 over 4 with a horizontal line over, not a slanted line |
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Term
| the most important reason for doing good, freehand lettering is: |
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Definition
| to make sure that information on the drawing is understood |
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Term
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Definition
| horizontal lines are drawn with it. it consists of two parts, the head and the blade |
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Term
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Definition
| provides the smooth flat surface needed for drafting. the working edge should be checked periodically for straightness |
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Definition
| circles and arcs and drawn with this |
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Definition
| distances are subdivided and measurements are transferred with dividers |
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Definition
| quickly repoints a pencil. its a sand paper pad |
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Definition
| erases small errors without smudging the entire drawing. made from stainless steel. |
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| used to measure and lay out angles on drawings |
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Definition
| curved lines that are not exactly circular in form are drawn with a french curve |
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| 2 end face = and parallel rectilinear figures, sides are parallelograms |
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Definition
| 2 identical flat ends that are circular w/one curved side |
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Definition
| every point is the same distance from the center |
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Definition
| polygon base sides are triangles meet at the apex |
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Definition
| convex molding formed by a rotating closed curve a circle around a line that lies in the same plane but does not intersect it |
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Definition
| gives visual representation of potential issues |
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| use of applied art and science to improve aesthetics, functionality, or usability of a product |
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Definition
| leadership in energy and environmental design |
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Definition
| ways to reduce the impact of products on the environment |
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Term
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Definition
| industry make much use of vellum and film because reproductions or prints must be made |
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Term
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Definition
| each division represents one foot and is divided into twelve parts, each part being equal to one inch. |
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Term
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Definition
| used mostly where large reproductions are required. it is divided into 10, 20, 30, 40, 50, 60, 80 and 100 units, each represents one foot per inch |
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Term
| mechanical draftsman scale |
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Definition
| most commonly divided into the following graduations: full size and 3/4, 1/2, 1/4 and 1/8 in. to 1 foot. |
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Term
| drafting media: letter sizes |
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Definition
A- 8 1/2x11 or 9x12
B- 11x17 or 12x18
C- 17x22 or 18x24
D- 22x34 or 24x36
E- 34x44 or 36x48 |
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Term
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Definition
| two or more lines that are incident to the same vertices |
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Definition
| using your hands may cause smudges so use brush |
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| also drawn by the t-square blade |
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