Step-by-step explanation:
to calculate circumference:
if the diameter is 16 then the radius would be 8.
to calculate the area of a circle:
Answer:
A
7.583333 / 7 7/12
2 1/3 × 3 1/4
2 1/3=7/3
3 1/4= 13/4
7/3 * 13/4
=91/12
=7 7/12