Area of a rectangle = 100 cm, one side, 4 times smaller than the other. Find the larger side?
| April 12, 2021 | education
1) Let one side be a cm, then the other side, if it is known that it is four times larger, will be equal to 4 * a. Because the area is known, we find side a:
4 a * a = 100
a ^ 2 = 25
a = √25
a = 5.
2) 5 * 4 = 20 (cm) – large side
Answer: the large side of the rectangle is 20 cm.
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