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3 years ago

7

A rectangle is 3 times as long as it is wide. The perimeter is 120 cm. Find the dimensions of the rectangle. Round to the neares

t tenth if necessary.

1 answer:

Ivenika [448]3 years ago

6 0

The rectangle is 15cm by 45cm
2(3x)+2(x)=120
6x+2x=120
8x=120
X=15
3(15)=45

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