Solving similar triangles

Front

What is the number you multiply by the sides to create a similar figure?

Back

Scale Factor

Front

What side corresponds with BC?

Back

FD

Front

If triangle ABC is similar to triangle DEF and the length of AB is 10 cm, what is the length of DE if the scale factor is 2?

Back

20 cm

Front

If triangle XYZ is similar to triangle PQR and the length of XY is 5 cm, what is the length of PQ if the scale factor is 3?

Back

15 cm

Front

If the scale factor of two similar triangles is 4, and the length of one side of the smaller triangle is 3 cm, what is the length of the corresponding side in the larger triangle?

Back

12 cm

Front

If triangle ABC is similar to triangle DEF, and angle A = 30°, what is the measure of angle D?

Back

30°

Front

If the lengths of the sides of triangle ABC are 3 cm, 4 cm, and 5 cm, what are the lengths of the corresponding sides of triangle DEF if the scale factor is 2?

Back

6 cm, 8 cm, 10 cm

Front

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

Back

They are equal.

Front

If triangle GHI is similar to triangle JKL and the length of GH is 8 cm, what is the length of JK if the scale factor is 0.5?

Back

4 cm

Front

What is the relationship between the areas of two similar triangles if the scale factor is k?

Back

The ratio of their areas is k².