Similar Triangles and Right Triangles

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

A triangle has sizes measuring 11 cm, 16 cm, and 16 cm. A similar triangle has sides measuring x cm, 24 cm, and 24 cm. What is x?

• x = 19 cm

• x = 24 cm

• x = 3 cm

• x = 16.5 cm

What are two lines on either side of the right angle of a right triangle called?

• Feet

• Legs

• Perpendicular Lines

• Bases

In the accompanying diagram, triangle ABC is a right triangle and CD is the altitude to hypotenuse AB. If AD=4 and DB=16 find the length of CD.

• 0

• 64

• 8

• 32

How far is it across the lake?

• 4

• 6

• 9

• 12

In the accompanying diagram of right triangle ABC, CD is drawn perpendicular to hypotenuse AB. If AB=16 and DB=4 find the length of BC.

• 0

• 8

• 32

• 64

Find the length HK of of right triangle GHK.

• 300

• 0

• 150

• 17.3

Find the value of x.

• 12

• 4√2

• √32

• 16

• 100
• 110
• 120
• 130