Question

Solve the problem. Use π = 3.14.



The Bay area of California was shaken by an earthquake on October 17, 1989. The epicenter was located at Loma Prieta. The diameter of the earthquake's horizontal waves that shocked the area measured about 120 miles. How many square miles were affected by this earthquake?



Blank Space__________square miles

Answer 1

Question 2 options:
Is this statement true or false?



To find the circumference of a circle, multiply π by the diameter.

Answer 2

Question 3 options:
Is this statement true or false?



Circumference is the distance around the outside of a circle.

Answer 3

Find the area. Use π = 3.14.
3m

Answer 4

Question 5 options:
Solve the problem.



Find the circumference of a trampoline with a diameter of 14 feet. Use π = 3.14.

Answer 5

Find the area. Use π = 3.14.

2cm

Answer 6

Solve the problem.



Sand dollars are animals that live buried in the sand of shallow coastal waters. The thin circular body of a sand dollar is usually 2 to 4 inches wide. Find the area of a sand dollar that is 3 inches wide. Use π = 3.14.

Answer 7

Question 8 options:
Solve the problem.



Find the radius of a circle that has a circumference of 28.26 feet. Use π = 3.14.

Answer 8

Find the area. Use π = 3.14.
6m

Answer 9

Question 10 options:
Is this statement true or false?



The diameter of a circle is always greater than the radius of a circle.