karleighbug217 karleighbug217 08-03-2021 Mathematics contestada Find (a) the circumference and (b) the area of the circle. Use 3.14 or 22/7 for pi. Round your answer to the nearest whole number, if necessary. A circle with a diameter of 70 inches. (a) circumference: about ? in. (b) area: about ? in.²