Question

Sum of the squares of adjacent sides of a
parallelogram is 130 sq cm and length of one
of its diagonal is 14 cm. Find the length of the
other diagonal.​

Answer 1

Step-by-step explanation:

let the required diagonal be X

It will be a traiangle with right angle so we can apply Pythagoras theorem on it

so as per it

sum of sides square =square of diagonal

130=X*X

130=X*2

√130=X

11.04 approx=X

Hence the length of other diagonal will be 11.04.

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