Question

    The area of a triangle is 96 cm² and its perimeter is

    48 cm. Find the in-radius (radius of the inscribed circle) of the triangle.
    A 4 cm Correct Answer Incorrect Answer
    B 6 cm Correct Answer Incorrect Answer
    C 8 cm Correct Answer Incorrect Answer
    D 2 cm Correct Answer Incorrect Answer

    Solution

    Area of triangle = Semi perimeter x Inradius 96 = (48/2) x Inradius So, inradius = 4 cm

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