Similarity ACC

Front

What are sides that are in the same position in similar figures called?

Back

Corresponding Sides

Front

If triangle PQR is similar to triangle XYZ, what can be said about their perimeters?

Back

The perimeter of triangle XYZ is proportional to the perimeter of triangle PQR.

Front

If two figures are similar, what can be said about their corresponding angles?

Back

Their corresponding angles are equal.

Front

What is the scale factor of two similar figures?

Back

The scale factor is the ratio of the lengths of corresponding sides.

Front

If the scale factor of two similar figures is 4/5, what is the ratio of their perimeters?

Back

4/5

Front

Two objects that are the same shape but not the same size are called what?

Back

Similar

Front

If the length of a side in triangle PQR is 10 cm and the corresponding side in triangle XYZ is 15 cm, what is the scale factor from triangle PQR to triangle XYZ?

Back

3/2

Front

If the area of triangle PQR is 36 cm², what is the area of triangle XYZ if the scale factor is 2?

Back

The area of triangle XYZ is 144 cm².

Front

What is the relationship between the lengths of corresponding sides of similar figures?

Back

They are proportional.

Front

If triangle ABC is similar to triangle DEF and the length of side AB is 8 cm and side DE is 12 cm, what is the scale factor?

Back

2/3