Multiple Choice Questions on Consider the following diagram An equilateral triangle is inscribed in a circle of radius 1 uni........... for CAPF (AC) Exam Preparation

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Multiple Choice Questions

Consider the following diagram An equilateral triangle is inscribed in a circle of radius 1 uni...........

Quantitative Aptitude( Paper-I ) Mensuration 2D
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    Consider the following diagram :

     An equilateral triangle is inscribed in a circle of radius 1 unit. The area of the shaded region, in square unit, is?

    This questions was previously asked in
    CAPF 2017 Paper-1
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    (π/3) - (√3/4)

    Correct Answer

    (π/3) - (1/2)

    Incorrect Answer

    (π/3) - (3/4)

    Incorrect Answer

    (π/3) - 1

    Incorrect Answer
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    Explanation:

    Radius of circumscribed circle 
    a/√3 = 1 unit    (a = side of triangle)
    a = √3 unit
    Area of shaded portion = [π(1)2 - √3/4(√3)2]/3
    = π/3 - (√3/4) x 3/3
    = (π/3 - (√3/4)

    By: Sandeep Dubey
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