Find the circumference of circle if the area is 300 square centimeters

Question

Mathematics

Zaniyah Carey

28 May, 19:28

Find the circumference of circle if the area is 300 square centimeters

+3

Answers (2)

Know the Answer?

Gracie Baird · Answer 1

Pi*r^2 = 300

r = √ (300/pi)

So circumference = 2*pi*r = 2√ (300pi)

Ginny · Answer 2

Area of circle

πr² = 300 cm²

r = √ (300/π)

r = 9.77205 cm

r ≈ 9.77cm (3s. f.)

Circumference of circle

= 2πr

= 2π (9.77205)

= 61.39960

≈ 61.4 cm (3s. f.)