Similar Figures

Front

Shapes that are the same shape AND the same size are _______.

Back

Congruent

Front

The pair of figures is similar. Find the missing side (x). If one side is 15 and the corresponding side is 5, what is x if the corresponding side is 3?

Back

x = 1

Front

Corresponding angles in similar figures are _______.

Back

Congruent

Front

Are the following similar? Explain your reasoning: Two triangles with angles 30°, 60°, 90° and 30°, 60°, 90°.

Back

Yes, the angles are equal.

Front

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building?

Back

32 feet

Front

If two triangles are similar, the ratio of their areas is equal to the square of the ratio of their corresponding sides. True or False?

Back

True

Front

What is the definition of similar figures?

Back

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

Front

If triangle ABC is similar to triangle DEF, and the length of side AB is 4 cm and side DE is 8 cm, what is the ratio of their corresponding sides?

Back

1:2

Front

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

Back

Their corresponding sides are in proportion.

Front

If the lengths of two similar rectangles are 4 cm and 8 cm, what is the ratio of their perimeters?

Back

1:2