Similar Triangle Proofs

Front

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

Back

proportional

Front

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

Back

True

Front

Which of the following is NOT true about similar figures? A) Similar figures always have the same shape. B) Similar figures always have the same size. C) Similar figures always have corresponding angles that are equal. D) Similar figures always have corresponding sides that are proportional.

Back

B) Similar figures always have the same size.

Front

How do these triangles appear to be similar? (Hint: Look for non-labeled parts!) Options: AA, SAS, SSS, Not Similar

Back

AA

Front

How do these triangles appear to be similar? Options: AA, SAS, SSS, Not Similar

Back

SSS

Front

What does AA stand for in triangle similarity?

Back

Angle-Angle similarity criterion.

Front

What does SAS stand for in triangle similarity?

Back

Side-Angle-Side similarity criterion.

Front

What does SSS stand for in triangle similarity?

Back

Side-Side-Side similarity criterion.

Front

If two triangles have two pairs of equal angles, what can be said about them?

Back

They are similar by the AA criterion.

Front

If the sides of two triangles are in the ratio 2:3, what can be said about their corresponding angles?

Back

The corresponding angles are equal.