SOLUTION: heloo! i need some help on this question
the length of a rectangle is 5cm longer than its width. The perimeter is 54cm. Find the dimensions of the rectangle.??
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Question 118211: heloo! i need some help on this question
the length of a rectangle is 5cm longer than its width. The perimeter is 54cm. Find the dimensions of the rectangle.??
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
L=W+5
PERIMETER=2L+2W
54=2(W+5)+2W
54=2W+10+2W
4W=54-10
4W=44
W=44/4
W=11 ANSWER FOR THE WIDTH.
L=11+5=16 FOR THE LENGTH.
PROOF
54=2*11+2*16
54=22+32
54=54
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