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Deepak Bora
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Asked: 2020-07-26T21:37:44+05:30 In:

In Figure 4, a square OABC is inscribed in a quadrant OPBQ. If OA = 15 cm, find the area of the shaded region. (Use π = 3·14)

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In Figure 4, a square OABC is inscribed in a quadrant OPBQ. If OA = 15 cm, find the area of the shaded region. (Use π = 3·14)

CBSE 10th Class past year question paper

Year 2019

SET 1, Code Number- 30/2/1

Question number – 18 (a)

cbse 10th classncert class 10thprevious year paper
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    1 Answer

    1. Newbie

      Radius of quadrant = OB = √ { (15)² + (15)² } = 15 √2 cm

      Shaded area = Area of quadrant – Area of square

      = 1/4 (3.14) { ( 15 √2)² – 15² }

      = 128.25 cm²

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