The perimeter of a rectangle is 320cm if the length is trice the width find the length of the rectangle
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Answer:
Perimeter of rectangle = 320cm
let width be (a) and length 3×a =(3a)
2(a+3a) =320
2a +6a =320
8a = 320
a = 320 ÷8
a = 40cm
3a = 3×40
=120 cm
Answered by
1
Answer:
120 cm
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