Question 2:
Find the area of a quadrant of a circle whose circumference is 22 cm. [Use π = 22/7]
Answer:
Let the radius of the circle be r.
Circumference = 22 cm
2πr = 22
r = 22/2π = 11/π
Quadrant of circle will subtend 90° angle at the centre of the circle.
Area of such quadrant of the circle
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