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4 years ago

11

The perimeter of a rectangle is 90 centimeters. The length is 27 centimeters. What is the width of the rectangle?

1 answer:

NARA [144]4 years ago

6 0

Perimeter is 2 x length + 2 x width
We can write that as...
P=2L+2W
We also know the length and perimeter so we substitute and solve like this
90=2 x 27 + 2W
90=54+2W
90-54=54-54+2W (property of subtraction equality)
36=2W
Divide by 2 (property of division equality)
W=18

Thus, the width of the rectangle is 18 cm

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