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 8 inches long? Use three point one four for pi.

fifty point two four square inches

seventy-eight point eight eight square inches

one hundred fifty-seven point seven five square inches

two hundred point nine six square inches
@dg2 @matricked

Answer 1

area =3.14*r^2 where r is radius

Answer 2

area=pi*r^2

Answer 3

here r=8
so area = two hundred point nine six square inches

Answer 4

r=8 so lastone is correct