Similar Polygons

Front

A proportion is two ratios that are __________.

Back

equal

Front

The pair of figures is similar. Find the missing side: If one side is 10 and the corresponding side is x, and the ratio is 2:5, what is x?

Back

x = 5

Front

The pair of figures is similar. Find the missing side: If one side is 20 and the corresponding side is x, and the ratio is 1:2, what is x?

Back

x = 10

Front

Two objects that are the same shape but not the same size are _______.

Back

Similar

Front

Sides in similar figures must be proportional. True or False?

Back

True

Front

If triangle ABC is similar to triangle DEF, and the sides of triangle ABC are 3, 6, and 9, what are the corresponding sides of triangle DEF if the ratio is 1:3?

Back

9, 18, 27

Front

What is the scale factor if two similar polygons have corresponding sides of lengths 4 and 8?

Back

2

Front

If two triangles are similar and the length of one side of the first triangle is 5 and the corresponding side of the second triangle is 15, what is the ratio of their areas?

Back

1:9

Front

If the lengths of the sides of two similar rectangles are in the ratio 3:4, what is the ratio of their perimeters?

Back

3:4

Front

If two similar figures have a scale factor of 1:5, what is the ratio of their volumes?

Back

1:125