Question

the area of a rectangle is 1936 sq. metre. if the length of the rectangle is 4 times its breadth find the dimension of the rectangle

Answer 1

here is the solution

area=l*b=1936 sq.metre
l=4b
4b^2=1936
b^2=1936/4
b^2=484
b=22metre
l=4*22
l=88metre