Question

the length of the rectangle in 5 times that the twice breadth and perimeter of rectangle is 56m then find the area of a rectangle

Answer 1

the answer is 8cm squard

Answer 2

$according \: to \: question \\ 5l = 2b \\ 2(l + b) = 56 \\ 2l + 2b = 56 \\ 7l = 56 \\ l = 8 m\\ so \: b = 20m$
so area of rectangle =160 square meter