Question

(08.01 LC)

Find the circumference and area of a circle with a diameter of 22 inches. Leave your answers in terms of pi. (4
points)
C = 117T; A = 4411
C = 22T; A = 44TT
C = 111; A = 1211
C = 2211; A = 1211

Answer 1

C = 22π; A = 121π

Explanation:

The relevant formulas for circumference (C) and area (A) are ...

C = πd . . . . . d is the diameter

A = πr² . . . . where r = d/2

Filling in the given value for diameter, we have ...

C = 22π

A = π(22/2)² = 121π