Similar Figures

Front

In similar polygons, corresponding sides are ___ and corresponding angles are ___.

Back

proportional, congruent

Front

The pair of figures is similar. Find the missing side: If one side is 6 and the corresponding side is x, and the ratio of similarity is 2:1, what is x?

Back

x = 3

Front

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

Back

True

Front

The pair of figures is similar. Find the missing side: If one side is 8 and the corresponding side is x, and the ratio of similarity is 4:1, what is x?

Back

x = 2

Front

Find the missing side: If the sides of one triangle are 3, 4, and 5, and the corresponding sides of the similar triangle are 6, 8, and x, what is x?

Back

x = 10

Front

What is the definition of similar figures?

Back

Figures that have the same shape but not necessarily the same size.

Front

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

Back

Their corresponding angles are congruent.

Front

If the ratio of the sides of two similar figures is 3:5, what is the ratio of their areas?

Back

9:25

Front

In similar figures, if one side of the first figure is 10 and the corresponding side of the second figure is 15, what is the scale factor?

Back

Scale factor = 15/10 = 1.5

Front

If two polygons are similar, how do you find the length of a missing side?

Back

Use the ratio of the corresponding sides.