PHCC module 9

The total included angle in a circle equals

• 90°

• 180°

• 270°

• 360°

Each degree of a circle can be subdivided into 60

• minutes.

• hours.

• seconds.

• subdegrees.

A 1/6 bend cast iron fitting turns how many degrees?

• 45°

• 60°

• 75°

• 90°

1/4 bend + 1/6 bend =

• 112.5°

• 140°

• 150°

• 162°

1/8 bend + 1/6 bend =

• 90°

• 105°

• 112.5°

• 117°

8² =

• 16
• 10
• 88
• 64

1.252 = __________.

• 2.50

• 1.5625

• 1.9562

• 1.90

What is the square root of 36?

• 9

• 12

• 6

• 3

What is the square root of 415?

• 41

• 4.15

• 41.5

• 20.37

Solve the equation: 1/5 = x/360. What is the value of x?

• 72

• 120

• 30

• 720