Question

2. The diagonal of a rectangular board is 1 m and its length is 96 cm. Find the area of
the board.​

Answer 1

ǟռֆաɛʀ :

diagonal=1m=100cm

in one triangle

d²=l² + b²

100²= 96² + b²

10000= 9216 + b²

b²= 10000-9216

b²=784

b=√784

b= 28cm

are of board = l×b

                    =28×96

                    = 2688cm