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The primeter of the quadrant of …

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The primeter of the quadrant of a circle is 25 cm .find its area
  • 1 answers

Gaurav Seth 5 years, 4 months ago

Let radius = r

Perimeter = radius + radius + length of arc

Perimeter of quadrant = r + r + angle/360 * 2 * pi * r = 25

2r + [1/4 * 2 * 22/7 * r] = 25

25/7 * r = 25

r = 7

Area =  angle/ 360 * pi * r * r

1/4 * 22/7 * 7 * 7 = 38.5 sq.cm

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