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scale drawings
vocabulry
11
Mathematics
8th Grade
03/30/2015

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Term
scale drawing
Definition


a proportional 2D drawing of an object;



can represent objects that are smaller or larger than the actual object

Term

 

scale

Definition

 


a ratio between 2 sets of measurements;


shows how a dimension in a scale drawing is related to the actual object

Term
intersection
Definition
a point or set of points common to 2 or more geometric figures
Term
cross section
Definition
the intersection of a 3D figure and a plane
Term
ray
Definition

a line

with an endpoint that extends infinitely

in one direction

Term
vertex
Definition

a point

that describes the corners or intersections

of geometric figures

Term

congruent

angles

Definition
angles that have the same measures
Term

vertical

angles

Definition
opposite angles formed by 2 intersecting lines
Term

adjacent

angles

Definition

pairs of angles

that share a vertex and one side

but do not overlap

Term
complementary angles
Definition
2 angles whose measures have a sum of 90°
Term

supplementary

angles

Definition
2 angles whose measures have a sum of 180°
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