Question

A circle has a circumference of 100 yards. Find its area. Use pi=3.14

Answer 1

Step-by-step explanation:

given that circumference = 100 yards

circumference = 2 pie r

100 = 2x 3.14 x r

r = 100 / 2 x 3.14 = 15.92 yards

so area = pie r2

area = 3.14 x 15.92 x15.92 = 795.82 yards

Answer 2

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Question - A circle has a circumference of 100 yards. Find its area. Use pi=3.14

Answer -

Given circumference of circle =100

$2\pi \: r \: = 100$

Then

PIE*R=50

THEN

R= 50/PIE

R =16 approx

Then to find area

$\pi \: \: {r}^{2} = area$

Then we know pie, r then find area

Area =803 approx