RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 18. Area of Circle, Sector and Segment

Subject: Maths - Class 10th

Q. No. 49 of Exercise 18B

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49

The perimeter of the quadrant of a circle is 25 cm. Find its area.

We know perimeter of a sector = Length of its arc + 2R eqn1


Where R = radius of the sector.


Perimeter = 25 cm



θ = 90°











R = 7 cm eqn2







Area of the quadrant = 38.5 cm2


Area of the quadrant is 38.5 cm 2.


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