Answered

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'The length of a rectangle is 6 feet more than three
times the width. The perimeter is 36 feel. Find the length
and width.

Sagot :

reinhard10158

Answer:

length : 15 ft

width : 3 ft

Step-by-step explanation:

perimeter = 2×l(ength) + 2×w(idth) = 36

l = 3w + 6

=> 2×(3w+6) + 2w = 36

6w + 12 + 2w = 36

8w = 24

w = 3

=> l = 3w + 6 = 3×3 + 6 = 9+6=15

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