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Length of Arc & Angle at the Centre

Find the area...

Question

Find the area of the shaded region from the figure given below:

A

46.5 sq. cm

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B

46 sq. cm

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C

50 sq. cm

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D

48 sq. cm

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Solution

The correct option is D
48 sq. cm

Area of the shaded region

= area of the 11 gm ABCD - area of rect APCQ

= 20 8 - 14 8

= 160 - 112 = 48 sq.cm

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