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14-10-2018
Mathematics

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a rectangle has a width of 10 centimeters . the rectangles length is 4 ties its width . what is the perimeter of the rectangle ?

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14-10-2018

Perimeter of a rectangle =2×(length + width)

width =w
width=10

length = 4×w
length=4w
length=4×(10)
length =40

P= 2 ×(40+10)
P=2×(50)
P=100

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