Similar Polygons Practice

Front

In similar polygons, corresponding sides are ______ and corresponding angles are _______.

Back

proportional, congruent

Front

Similar polygons have the same _________ but not necessarily the same size.

Back

shape

Front

What is the scale factor from triangle ABC to triangle DEF if the sides of ABC are half the length of DEF?

Back

1/2

Front

If triangle ABC is similar to triangle DEF, and the length of AB is 4 cm and DE is 8 cm, what is the scale factor?

Back

1:2

Front

What is the relationship between the areas of two similar polygons if the scale factor is k?

Back

The ratio of their areas is k^2.

Front

If two polygons are similar, how do you find the length of a side in one polygon if you know the corresponding side in the other polygon?

Back

Multiply the length of the known side by the scale factor.

Front

Given that ABCD~FGHE, which proportion is true?

Back

CD/HE = BC/GH

Front

If the scale factor of two similar triangles is 3:5, what is the ratio of their perimeters?

Back

3:5

Front

If triangle XYZ is similar to triangle PQR, and the length of XY is 6 cm and PQ is 9 cm, what is the scale factor from triangle XYZ to triangle PQR?

Back

2:3

Front

What does it mean for two polygons to be similar?

Back

They have the same shape but may differ in size.