Question

the length of a rectangular field is three times its breadth if it it's the perimeter of if the perimeter of the rectangular shaped rectangle is 56 M find its length and breadth​

Answer 1

b=x

l=3x

P=2*(l+b)

56=2*(3x+x)

56=2*4x

56/2=4x

28=4x

X=28/4

X=7

l=3x

=3*7

=21

b=x

=7