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    Question

    Calculate the base length of a triangle given that its

    area is 640 cm² and the altitude corresponding to this base measures 40 cm.
    A 36 cm Correct Answer Incorrect Answer
    B 64 cm Correct Answer Incorrect Answer
    C 32 cm Correct Answer Incorrect Answer
    D 72 cm Correct Answer Incorrect Answer

    Solution

    Area of triangle = (1/2) x base x corresponding altitude So, (1/2) x base x 40 = 640 Or, base = (640/20) = 32 cm

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