Similarity and Altitudes

△ABC ∼ △JKL with altitudes BX and KY. Find BX.

• 20

• 31.25

• 12

• 18

If two polygons are similar, then the corresponding side lengths are ___________.

• congruent

• similar

• equal

• proportional

△ABC ∼ △FGH, AB = 24, AC = 16, CB = 10, and FH = 12. Find the length of FG.

• 18

• 20

• 24

• 16

Find the length of NR.

• 72

• 112

• 112.5

• 152.5

In the diagram below of right triangle ABC, an altitude is drawn to the hypotenuse AB. Which of the following is true?

Mathematical Equivalence

ON

Find the missing length indicated. Leave your answer in simplest radical form.

• 64

• 12

• 9

• 100

In right triangle ABC, altitude CD is drawn to hypotenuse AB. Find the length of BC.

• 80

• 40

• 0

• 8.9

Mathematical Equivalence

ON

Find FA.

• 27

• 48

• 16.33

• 27.33