The perimeter of a rectangle is 66cm and its width is half its length. What are the length and the width of the rectangle?

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Answer 1 · 2018-03-27T17:57:24

Length L#=22cm#

Width W#=11cm#

As we know that #W=L/2#

And perimeter p= two times the length plus two times the width,

p=#2*(L+L/2)#

#66=2*(3/2L)#

#66=3L#

#L=22cm#

#W=L/2=22/2=11cm#