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Question

The lengths of the diagonals of a rhombus are 16 cm and 12 cm respectively. Find the length of each of its sides.


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    Solution

    Let ABCD is a rhombus AC and BD are its diagonals which bisect each other at right angles at O.

    AC= 16 cm and BD = 12 cm

    AO=162=8 cm

    BO=122=6 cm

    Now, in right AOB

    AB2=AO2+BO2 (Pythagoras Theorem)

    =(8)2+(6)2

    =64+36=100=(10)2

    AB=10cm

    But all the sides of a rhombus are equal

    AB=10cm


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