Chapter 3 Similarity Flashcard Review

Front

Are the triangles similar?

Back

Yes

Front

If two figures are similar their angles are______.

Back

congruent

Front

Lisa drives her car 46 km south and then 13 km east. How far is she from her starting point?

Back

47.8 km

Front

Johnathan is painting the side of his home. He has a 25 foot ladder and leans the ladder against his house. The base of the ladder is five feet from the side of the house. How far up the house will the ladder reach?

Back

24.5 ft

Front

If two figures are similar, the corresponding sides are ______________.

Back

proportional

Front

What is similarity in geometry?

Back

Similarity means that two shapes have the same shape but not necessarily the same size.

Front

What is the Angle-Angle (AA) criterion for similarity?

Back

If two angles of one triangle are equal to two angles of another triangle, the triangles are similar.

Front

What does it mean for two figures to be proportional?

Back

Two figures are proportional if their corresponding sides are in the same ratio.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

Front

If two triangles are similar, how do their areas compare?

Back

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