Question

A wall clock has a circumference of 37.68 inches. What is the area of the clock? (Use 3.14 for .)
A.
113.04 square inches
B.
18.84 square inches
C.
75.36 square inches
D.
226.08 square inches

Answer 1

Answer:

113.04 is correct answer

Step-by-step explanation:

$2\pi \: r = 37.68 \\ 2 \times 3.14 \times r = 37.68 \\ 6.28 \times \: r = 37.68 \\ r = 37.68 \div 6.28 \\ r = 6 \\ \pi \: r ^{2} \\ 3.14 \times 6 = 113.04$