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Find out the perimeter of a …

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Find out the perimeter of a rectangle which breadth is 5 and it's diagonal is 10.

    • Posted by Gaurika Balha 5 years, 1 month ago

    CBSE > Class 07 > Mathematics
    • 1 answers

    Yogita Ingle 5 years, 1 month ago

      breadth =5 and it's diagonal = 10

    diagonal2 = length2 + breadth2

    102 = length2 + 52

    Length2 = 100 - 25 = 75

    Length = 3√5

    Peimeter = 2l + 2b = 2 (3√5) + 2 (5)= 15 √5 + 10

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