find the area of a quadrant of a circle whose circumference id 75 cm
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area of a quadrant of a circle = 111.86 cm² if circumference is 75 cm
Step-by-step explanation:
Circumference of circle = 75 cm
Circumference of circle = 2 π R
R = Radius
=> 2 π R = 75
=> R = 75/2π
Area of circle = πR²
area of a quadrant of a circle = (1/4)πR²
= (1/4)π(75/2π)²
= 75²/16π
Using π = 22/7
= 75² * 7 / (16 * 22)
= 111.86 cm²
area of a quadrant of a circle = 111.86 cm² if circumference is 75 cm
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