Question

The area of a circle is 3850msqare.what is the diameter of the circle?

Answer 1

Answer:

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Answer 2

Answer:

We know Area of the circle = πr^2

Area of circle = 22/7 × r^2

Area of circular park = 22 /7 × r^2 = 3850

r^2 = 3850 ÷ 22/7

r^2 = 3850 × 7/22

r^2 = 1225

r = √1225

r = 35

Radius of circular park is 35 cm

We know Circumference of a circle = 2πr

Where r is the radius of the circle

Circumference = 2πr (the value of π is 22/7)

Circumference of circular park = 2 × 22/7 × r

Circumference of circular park = 2 × 22/7 × 35

Circumference of circular park = 22 × 10

Circumference of circular park = 220 cm

The circumference of the circular park is 220 cms

Answer : The circumference of the circular park is 220 cms