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Definition
| the longest side of a right triangle |
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Definition
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Definition
| a quadrilateral with both pairs of opposite sides ||. |
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Term
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Definition
| a parallelogram with four congruent sides |
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Definition
| a quadrilateral with four right angles |
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Term
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Definition
| a parallelogram with four congruent sides and four right angles |
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Term
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Definition
| a quadrilateral with two pairs of adjacent sides and no opposite sides congruent |
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Definition
| quadrilateral with exactly one pair of parallel sides |
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Term
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Definition
| trapezoid whose nonparallel sides are congruent |
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Term
| two polygons are similar if: |
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Definition
| their corresponding angles are congruent and their corresponding sides are proportional |
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Term
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Definition
| triangle containing a right angle |
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Term
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Definition
| in a right triangle, the sum of the squares of the legs is equal to the square of the hypotenuse |
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Term
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Definition
| a circle whose radius is one and whose center is at the origin |
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Term
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Definition
| where the rotation begins |
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Term
| terminal side of an angle |
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Definition
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Term
| angle in standard position |
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Definition
| vertex at origin, initial side on x-axis |
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Term
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Definition
| direction of rotation is counter-clockwise |
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Term
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Definition
| direction of rotation is clockwise |
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Term
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Definition
| x-coordinate of point P (on the unit circle) |
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Term
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Definition
| y-coordinate of point P (on the unit circle) |
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Definition
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Definition
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Definition
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Definition
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Term
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Definition
an angle whose included arc is the length of one radius of the circle
(approx 60 degrees) |
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Term
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Definition
| formed by horizontal (bottom) and line of sight |
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Term
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Definition
| formed by horizontal (top!) and line of sight |
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Term
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Definition
| the set of all points equidistant from a center point |
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Definition
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Definition
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Term
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Definition
| segment connecting any two points on a circle |
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Term
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Definition
| a chord that goes through the center |
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Term
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Definition
| a line intersecting a circle at two points |
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Term
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Definition
| a line that intersects a circle at exactly one point |
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Term
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Definition
| the intersection of a circle and a tangent |
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Term
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Definition
| a portion of the circumference of a circle |
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Term
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Definition
| an arc whose endpoints are the endpoints of a diameter |
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Term
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Definition
| smaller than a semicircle |
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Definition
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Definition
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Term
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Definition
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Definition
| an angle whose vertex is the center of a circle |
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Term
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Definition
| an angle whose vertex is on the circle |
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Term
| angle inscribed in a semicircle |
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Definition
the sides of the angle intersect the circle at the endpoints of a diameter
[always a right angle!] |
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Term
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Definition
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Term
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Definition
| the sum of the areas of all the faces of a 3D object |
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