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nika2105 [10]
2 years ago
8

The perimeter of a rectangle is 79cm. One side is three times the length of the other. From an equation and hence find the lengt

h of each side
Mathematics
1 answer:
Tcecarenko [31]2 years ago
8 0

Answer:

Step-by-step explanation:

Make the length of one side = 'x'

The other side = 3xPerimeter = 2 x one side + 2 x the other side

79 cm = 2(x) + 2(3x)

79 cm = 2x + 6x

8x = 79

x = 9.875

One side = 9.875 cm

Other side = 29.625 cm

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