Question

Isaac is cutting wood to build a clock. He wants the clock to have a long hand that extends from the center to the edge of the clock face. What must the approximate area of the face be if the hand he is using is 7 inches long? Use three point one four for pi.

thirty-eight point four seven square inches

forty-three point nine six square inches

eighty-seven point nine two square inches

one hundred fifty-three point eight six square inches

Answer 1

@Venny

Answer 2

We already did a problem using the formula for the area of a circle,
To remind you it is: \(\Large\ A=\pi r^2\)

Answer 3

And in this problem r=7

Answer 4

d

Answer 5

Yes d is correct! \(\color{gold}\bigstar\)