Question

if area of the quadrant of the circle is 38.5cm then find its diameter

Answer 1

Area of quadrant = 1/4 πr²

38.5 = 1/4 ×22/7 r²

38.5 ×4 ×7/22 = r²

49 =r²

7 = r

Therefore, the radius of quadrant is 7cm

Thud the diameter of quadrant = 7×2 = 14 cm

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