if the length of a rectangle is three times its width and its perimeter is 24cm what is the width and length? show all work
2 answers:
The area is 6 and 4, and the perimeter is 8 and 4
L = 3w
P = 24 cm
P = 2(l+w)
24 = 2(l+w)
24 = 2(3w+w)
24 = 2*4w
24 = 8w
w = 3
l = 3w
l = 3*3
l = 9
P = 2(l+w)
24 = 2(9+3)
24 = 2(12)
24 = 24
hope helped
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