Question

find the perimeter of the rectangle whose lenght is 40cm and a diagonal is 41 cm

Answer 1

length =40cm
diagonal =41
breadth
$41 { }^ {2} - 40 {}^{2}$

b=1681 -1600
b=
$\sqrt{} 81$
b=9
perimeter =2(l+b)
=2(40+9)
=2times 49
=98

Answer 2

thanks 4 waiting... Ur solution..