If area of quadrant of a circle is 38.5 cm2, then find its diameter.

Area of a quadrant of a circle of radius ‘r’ ⇒ π r2 = 154⇒ r2 = 49⇒ r = 7 cmSo, diameter = 14 cm

Q17 of 40 Page 1

If area of quadrant of a circle is 38.5 cm², then find its diameter.

Area of a quadrant of a circle of radius ‘r’

⇒ π r² = 154

⇒ r² = 49

⇒ r = 7 cm

So, diameter = 14 cm

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