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प्रश्न
Find the area of a quadrant of a circle whose circumference is 44 cm.
उत्तर
Let the radius of the circle be r.
Now,
Circumference = 44
⇒ 2πr = 44
⇒ r = 7 cm
Now,
Area of quadrant`=1/4pi"r"^2 = 1/4xx22/7xx(7)^2 = 38.5 "cm"^2`
Hence, the area of the quadrant of the circle is 38.5 cm2.
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