Find the perimeter of a rectangle if its area is 98 and one side is 2 times larger than the other.

univerkov | March 29, 2021 | education

x is the first side, 2x is the second side.
2x * x = 98
2x ^ 2 = 98
x ^ 2 = 49
x = 7 – first side
2 * 7 = 14 – second side
P = (7 + 14) * 2 = 42

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