8th grade math review 5

Front

Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Options: A, B, C, D

Back

B

Tags

rotation

Front

Which rule describes rotating 180° clockwise? Options: ( x, y ) → ( y, -x ), ( x, y ) → ( -x, -y ), ( x, y) → ( x, y ), ( x, y ) → ( -y, x )

Back

( x, y ) → ( -x, -y )

Tags

rotation

Front

Image of J (8, -6) after a rotation of 180° counterclockwise?

Back

J' (-8, 6)

Tags

rotation

Front

Back

Tags

dilation

Front

Back

It's an enlargement; the scale factor is 2

Tags

dilation

Front

Back

An enlargement

Tags

dilation

Front

Find the missing angle.

Back

33°

Tags

triangle angles

Front

What is the measure of angle b?

Back

36*

Front

The pair of figures is similar. Find the missing side.

Back

x = 10

Tags

congruence/similarity

Front

Are these triangles similar?

Back

Yes

Tags

congruence/similarity