The length of a rectangle is 3 cm greater than its width. The perimeter is 24 cm. Find the dimensions of the rectangle. 3 cm, 9
cm 4.5 cm, 7.5 cm 7.5 cm, 10.5 cm 10.5 cm, 13.5 cm
1 answer:
Length (L): w + 3
width (w): w
Perimeter (P) = 2L + 2w
24 = 2(w + 3) + 2(w)
24 = 2w + 6 + 2w
24 = 4w + 6
18 = 4w
18/4 = w
9/2 = w
4.5 = w
Length (L): w + 3 = 4.5 + 3 = 7.5
Answer: width = 4.5 cm, length = 7.5 cm
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