Geometric Mean Right Triangle

Find a.

• 3

• 3√3

• 6

• 2√3

Find the missing side lengths.

• a = 4, b = 4

• a = 4, b = 2√2

• a = 2√2,  b = 4

• a = 4, b = 4

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

Which equation can be used to solve for "x"?

• 15² – x² = 21²

• x² – 15² = 21²

• 15² + 21² = x²

• 21² – 15² = x²

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

Q1. What is the value of x?

• A) 100

• B) 110

• C) 120

• D) 130

How far is it across the lake?

• 4

• 6

• 9

• 12

Find the length HK of of right triangle GHK.

• 300

• 0

• 150

• 17.3

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

• 60

• 100

• 80

• 20

Find the length of AC

• 18

• 24

• 32

• 48

• 50