area of a circular ground is 3850 sqm find the diameter of the ground
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Answer:
Step-by-step explanation:
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
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