Similar Figures

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

Find the missing side: If one triangle has sides of 3 m, 4 m, and 5 m, and the other triangle has a side of 4 m, what is the missing side?

Back

5 m

Front

Solve for X: If two similar triangles have sides of 2 ft and X ft, and the other triangle has sides of 4 ft and 6 ft, what is X?

Back

3 ft

Front

The polygons are similar. Find x: If one triangle has sides of 2, 4, and x, and the other triangle has sides of 4, 8, and 6, what is x?

Back

4

Front

Definition: Similar Figures

Back

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

Front

Definition: Proportional Sides

Back

Sides of similar figures that maintain a constant ratio.

Front

Example: If Triangle A has sides of 2 cm, 3 cm, and 4 cm, and Triangle B has sides of 4 cm, 6 cm, and 8 cm, are they similar?

Back

Yes, because the sides are proportional (2:4, 3:6, 4:8).

Front

Definition: Scale Factor

Back

The ratio of the lengths of corresponding sides of two similar figures.

Front

Find the scale factor: Triangle A has sides of 3 cm, 4 cm, and 5 cm. Triangle B has sides of 6 cm, 8 cm, and 10 cm. What is the scale factor?

Back

2