Question

the sum of side square of parallelogram is 130 cm length of one diagonal of is 14 cm find the length of other diagonal

Answer 1

Answer:

Let a,b be two adjacent sides of a parallelogram & d1 and d2 be two diagonals of a parallelogram .

Given: a sq.+ b sq. = 130 cm

d1= 14 cm

2) We know that ,

In parallelogram ,

d1 sq.+ d2 sq. = 2(a sq.+ b sq.)

14 sq. +d2 sq.= 2x130

d2 sq = 260-196=64 cm

d2 = 8 cm

Hence,The length of other diagonal is 8 cm .

Step-by-step explanation: