IM2 Module 4 Right Triangles and Trigonometry Review

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

Find the length of the missing side.

• 20 in.

• 68 in.

• 16 in.

• 80 in.

A 10-foot ladder is leaning against the wall.  The bottom of the ladder is 4 feet from the base of the wall.  Which of the following is closest to the distance from the top of the ladder to the base of the wall?

• 9ft

• 11ft

• 6ft

• 14ft

Classify the triangle with the given lengths: 8,9,15

• Acute

• Right

• Obtuse

• Not a Triangle

Classify the triangle with the given lengths: 8,15,17

• Acute

• Right

• Obtuse

• Not a Triangle

Classify the triangle with the given lengths: 2, 3, 5

• Acute

• Right

• Obtuse

• Not a Triangle

Classify the triangle with the given lengths: 10, 20, 30

• Acute

• Right

• Obtuse

• Not a Triangle

What is geometric mean of 4 and 9?

• 5

• 6

• 7

• 8

What if the value of x?

• 16

• 12

• 4

• 64

Find the value of y. 

• 4

• 2√6

• 6√2

• 12