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Sati [7]
4 years ago
15

A rectangle has perimeter 84 cm and length 35 cm. What is its width?

Mathematics
2 answers:
Ne4ueva [31]4 years ago
8 0
P = 2(L + W)
84 = 2(35 + W)
84/2 = 35 + W
42 = 35 + W
W = 42 - 35
W = 7

answer
<span>its width 7 cm</span>

laila [671]4 years ago
5 0

Answer:  The required width of the rectangle is 7 cm.

Step-by-step explanation:  Given that a rectangle has perimeter 84 cm and length 35 cm.

We are to find the width of the rectangle.

Let w represents the width of the rectangle.

According to the given information,

length, l = 35 cm and perimeter, P = 84 cm.

Therefore, we get

P=2(l+b)\\\\\Rightarrow 84=2(35+w)\\\\\Rightarrow 42=35+w\\\\\Rightarrow w=42-35\\\\\Rightarrow w=7.

Thus, the required width of the rectangle is 7 cm.

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