RRB Group D 10-Oct-2018 Shift 2 Solved Paper

Question : 22 of 100

Marks: +1, -0

If the perimeter of a rhombus is

56 \ { cm}

and the length of one of its diagonals is

26 \ { cm}

, then find the length of the other diagonal of the rhombus.

Solution:

From the question, side of the rhombus

={56}/{4}=14 {cm}

Thus, length of the other diagonal

=2 \√{(14)^{2}-(13)^{2}}

=2 \√{196-169}=2 \√{27}

=6 \√{3} {cm}

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