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    Question

    If the inradius of a triangle with a perimeter of 60cm

    is 8 cm, then find the area of the triangle.(in cm2)
    A 169 Correct Answer Incorrect Answer
    B 256 Correct Answer Incorrect Answer
    C 240 Correct Answer Incorrect Answer
    D 196 Correct Answer Incorrect Answer

    Solution

    Inradius =8cm Perimeter =60. Area of the triangle =inradius ├Ч semi-perimeter =8├Ч (60/2) =8├Ч30 =240 cm┬▓

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