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A rectangle has a perimeter of 84cm and a length 35cm what is its width

A rectangle has a perimeter of 84cm and a length 35cm what is its width
asked 76.2k views
5 votes
A rectangle has a perimeter of 84cm and a length 35cm what is its width

asked
User Reza ArabQaeni
by
8.0k points

1 Answer

1 vote
P = 2(L + W)
P = 84
L = 35

now we sub
84 = 2(35 + W)
84 = 70 + 2W
84 - 70 = 2W
14 = 2W
14/2 = W
7 = W....so the width is 7 cm
answered
User Aric Lasry
by
8.3k points
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