Question

    If the inradius of a triangle with a perimeter of 64 cm

    is 8 cm, then find the area of the triangle.
    A 120 cm² Correct Answer Incorrect Answer
    B 256 cm² Correct Answer Incorrect Answer
    C 265 cm² Correct Answer Incorrect Answer
    D 146 cm² Correct Answer Incorrect Answer

    Solution

    Inradius =8cm Perimeter =64. Area of the triangle =inradius × semi-perimeter =8× (64/2) =8×32 =256 cm²

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