Deck 32: Formulas for Circular Measurement

Question 1

The circumference of a circle can be found by using C = pi x ____________________.

Answer 1

D

Question 2

A circle has an area of 9/16 square inch. What is the radius setting needed to lay out this circle? Express the answer to the nearest thousandth inch.

A) 0.332
B) 0.378
C) 0.423
D) 0.462

Answer 2

0.423

Question 3

Find the area of a circle with a diameter of 13 centimeters. Express the answer to the nearest thousandth square centimeter.

A) 131.783
B) 132.733
C) 133.378
D) 134.367

Answer 3

132.733

Question 4

The diameter of a circle is 0.77 meters. What is the area of the circle to the nearest thousandth square meter?

A) 0.466
B) 0.478
C) 0.489
D) 0.548

Question 5

Find the diameter of a piston with an area of 57.02 square inches. Express the answer to the nearest hundredth inch.

A) 8.52
B) 8.78
C) 9.01
D) 9.36

Question 6

A(n) ____________________ is a simplified way to express what must be done to solve a problem.

Question 7

The circumference of a circle is 37 centimeters. What is the diameter to the nearest thousandth centimeter?

A) 10.444
B) 10.555
C) 11.777
D) 11.888

Question 8

The value of pi to four decimal places is 3.____________________.

Question 9

If the diameter of a piston is 178 millimeters (mm), find the area of the top of the piston to the nearest tenth square millimeter.

A) 24,750.3
B) 24,884.6
C) 24,966.9
D) 24,973.0

Question 10

The diameter of a circle is 11 inches. Find the circumference to the nearest thousandth inch.

A) 32.347
B) 33.138
C) 33.342
D) 34.558