the length of a rectangle is twice the width. If the area is 72 metres squared, calculate the length and the width.
length:
width:
Since A=(L)(W)
and the L length is twice the width we have A=(2w)(w)
and
72=(2w)(w)
72=2w^2 now solve for w
length:
width:
and the L length is twice the width we have A=(2w)(w)
and
72=(2w)(w)
72=2w^2 now solve for w