Question

Write down an expression for the perimeter of this rectangle. Simplify your expression.
length= x+2y
breath= 2x-y

Answer 1

perimeter=x+2y(2x-y)

x(2x-y)+2y(2x-y)

=2xsq-xy+4xy-2ysq

=2xsq+3xy-2ysq