Question

A circular table has a diameter of 42 inches. What is the measurement of the area in square inches? Round the nearest whole number (no decimals).

Answer 1

1345 is the answer
formula A=πr2, d=2r
A=1
4πd2=1
4·π·422≈1385

Answer 2

since d=2r, r=21
A = πr^2 = 441π = 1385.44

Answer 3

nice job oobleck