The perimeter of the rectangle is 160cm and the width is 10cm less than the length. Find its length.
| August 7, 2021 | education
The solution of the problem:
Perimeter – 160 cm
Let’s take the width as x
Then (x + 10) will be the length.
Let’s make an equation.
2 * (x + x + 10) = 160
x + x + 10 = 160/2
2x + 10 = 80
2x = 80 – 10
x = 70/2
x = 35cm – rectangle width
35 + 10 = 45cm – the length of the rectangle
Answer: the length of the rectangle is 45cm
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