Similar Triangles

Front

What are similar triangles?

Back

Triangles that have the same shape but not necessarily the same size. Their corresponding angles are equal, and their corresponding sides are proportional.

Front

What is the sum of the angles in a triangle?

Back

180 Degrees.

Front

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

Back

The corresponding sides are proportional.

Front

Back

Front

Back

h = 50.

Front

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

Back

True.

Front

What is the relationship between the angles of similar triangles?

Back

The corresponding angles are equal.

Front

If triangle A is similar to triangle B, and the length of a side in triangle A is 4 cm, what is the length of the corresponding side in triangle B if the ratio of their sides is 2:1?

Back

2 cm.

Front

What is a proportion in mathematics?

Back

An equation that states that two ratios are equal.

Front

If two triangles have sides in the ratio 3:5, what can be said about their areas?

Back

The ratio of their areas will be the square of the ratio of their sides, which is 9:25.