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EastWind [94]
3 years ago
10

The width of a rectangle is 2cm less than its length. The perimeter of the rectangle is 16cm. What are the dimensions of the rec

tangle.
Mathematics
1 answer:
slamgirl [31]3 years ago
3 0

Answer:

Length is 5 cm and width is 3 cm

Step-by-step explanation:

Width is w

Length is l

Perimeter is 2l + 2w

Perimeter is 16

w = l-2

16 = 2l + 2w

16 = 2l +2(l-2)

16 = 2l + 2l - 4

16 = 4l - 4

20 = 4l

5 = l

Substitute that back into w:

w = (5) - 2

w = 3

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