IM 8th Grade Unit 2 Review

Front

Shapes that are the same shape and the same size are ________.

Back

congruent

Front

Are these triangles similar? (Yes/No)

Back

Yes

Front

The pair of figures is similar. Find the missing side: x = ?

Back

x = 12

Front

What is the scale factor going from the larger triangle to the smaller triangle?

Back

1/2

Front

What is the scale factor going from the smaller polygon to the larger polygon?

Back

3

Front

Define 'similar figures'.

Back

Figures that have the same shape but may have different sizes.

Front

What is a scale factor?

Back

A number that scales, or multiplies, a quantity.

Front

If two triangles are similar, what can be said about their corresponding angles?

Back

Their corresponding angles are equal.

Front

If triangle A is similar to triangle B, and the length of a side of triangle A is 4, what is the length of the corresponding side in triangle B if the scale factor is 2?

Back

8 (4 * 2 = 8)

Front

What does it mean for two figures to be 'congruent'?

Back

They are identical in shape and size.