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Q.

A chord of a circle of radius 10 cm subtends a right angle at the center. Find the area of the corresponding minor segment.


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a

27.5 cm2

b

26 cm2

c

28.5 cm2

d

25 cm2 

answer is C.

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Detailed Solution

Area of minor segment=Area of minor sector-Area of triangle
=πr2360×θ-12×base×height
=227×102360×90-12×10×10
=78.5-50
=28.5 cm2
 
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