The area of the rectangle is 40 cm², its width is 5 cm. Calculate the length of the rectangle.
| December 6, 2020 | education
This task can be solved very easily. Everything is calculated by the formula:
The area of the rectangle is calculated as the length multiplied by the width, that is, S = ab, where a is the length (we do not know it), b is the width and it is 5 cm, well, the area itself, which is 40, now we supply everything:
5a = 40
a = 40/5
a = 8 cm
Answer: the length is 8 cm
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