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    Question

    The area of a triangle is 480 cm² and the ratio of its

    sides is 10: 24: 26. What is the perimeter of the triangle?
    A 120cm Correct Answer Incorrect Answer
    B 80cm Correct Answer Incorrect Answer
    C 60cm Correct Answer Incorrect Answer
    D 100cm Correct Answer Incorrect Answer

    Solution

    From ratio of sides, the triangle is a right-angle triangle having triplets in the ratio (10: 24: 26) Area =1/ 2 × 10x × 24x 120x2=480 x= 2 Perimeter = (10 + 24 + 26) × 2 = 120cm.

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