Right Triangle Altitude Leg Theorem Practice

The _______ of a triangle is a perpendicular segment from a vertex to the line containing the side opposite the vertex.

• altitude

• median

• midsegment

What is the side across from the right angle called?

• Leg

• Pythagoras

• Hypotenuse

• Altitude

Find y. 

• 10

• 3

• 6

• 5

Find a.

• 12

• 24

• 24√3

• (1)

• (2)

• (3)

• (4)

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

• 4√5

• 8

• 4√15

• 2√5

HK is an altitude in ΔGHI.Find the value of x.

• 90

• 21

• 24

• 43.5

What is the length of y in this picture?

• 45

• 5√2

• 90

• 5

_{^{Find the missing side}}

• 9

• 41

• 6.4

• 3

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3