Unit 8 Vocabulary

Question 1

corresponding

Answer 1

matching.

Question 2

congruent

Answer 2

Exact; Identical in form ;have the same shape and are the same size.

Question 3

similer

Answer 3

Nearly the same; have the same shape different sizes.

Question 4

Scale

Answer 4

a ratio (comparison) that relates each pair of corresponding sides in similar figures.

Question 5

scale drawing

Answer 5

an enlarged OR a reduced drawing of an object that is proportional to the actual object

Question 6

scale factor

Answer 6

the amount/value that an image enlarges or shrinks
A- if the scale facter is one , the new image stays the same

B- if the scale facter is larger that one, the new image is larger than the original

C- if the scale facter is smaller than 1, the new image is smaller than the original

Question 7

The four basic angle relationships

Question 8

Complementary angles

Answer 8

Angles that have a sum of 90 degrees.

Question 9

Supplementary Angles

Answer 9

Angles that have a sum of 180 degrees.

Question 10

Verticle Angles

Answer 10

angles that are opposite, or across from, each other when to lines intersect ( cross over each other). vertical angles always have equal, or congruent. measures

Question 11

adjacent angles

Answer 11

two angles with a common side and a common vortex (corner point) but don’t overlap

Question 12

Radius of a circle

Answer 12

the distance from the outside of a circle to the center, the radius is half the length of the distance

Question 13

diameter of a circle

Answer 13

the distance across the circle