Similar Figures Review

Front

Do the ratios form a proportion?

Back

Yes, they form a proportion.

Front

Find y if the ratio of the lengths is 12:1 and the longer length is 144.

Back

y = 12

Front

Find the missing length indicated if the ratio of two similar figures is 5:3 and one length is 30.

Back

Missing length = 18

Front

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

Back

Similar

Front

All angles in similar figures are congruent. True or False?

Back

True

Front

What is the definition of similar figures?

Back

Figures that have the same shape but may differ in size.

Front

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

Back

The ratios of their corresponding sides are equal.

Front

If the lengths of two similar rectangles are 10 cm and 15 cm, what is the ratio of their lengths?

Back

The ratio is 10:15 or 2:3.

Front

What is the relationship between the areas of two similar figures?

Back

The ratio of their areas is the square of the ratio of their corresponding lengths.

Front

If a triangle has sides of lengths 6, 8, and 10, what is the scale factor if it is similar to another triangle with sides of lengths 3, 4, and 5?

Back

The scale factor is 1:2.