Question

a circular marble tabletop has a diameter of 42 inches. determine the area of the circular marble tabletop in square inches. use 3.14 for π. round your answer to the nearest whole square inch. enter your answer in the box. in.²

Explanation:

Step1: Find radius

$r = \frac{42}{2} = 21$ in

Step2: Calculate area

$A = 3.14 \times 21^2 = 3.14 \times 441 = 1384.74$

Step3: Round to whole number

$1384.74 \approx 1385$

Answer:

1385