Which of the following is true for a circle that has an area of approximately 113 square feet?

Question

The followings:

 

A: The diameter is 6 feet and the circumference is 38 feet.

B: The diameter is 6 feet and the circumference is 38 square feet.

C: The radius is 6 feet and the circumference is 38 feet.

D: The radius is 6 feet and the circumference is 38 square feet.

Answer 1

It is C:: The radius is 6 feet and the circumference is 38 feet.

 

Explanation:

 

The area of the circle is = ¶ R² , 113 ft² = ¶ R², R = √(113/¶) = 6 ft

The circumference of the circle = 2 ¶ R = 2 ¶ (6) = 12 ¶ = 38 ft