The perimeter of an isosceles triangle is 30 cm and one side is twice larger than the other.
| December 16, 2020 | education
The perimeter of an isosceles triangle is 30 cm and one side is twice larger than the other. How many centimeters is the side length sides?
Let x be the coefficient, then AB = x, BС = x, AC = 2x, and since the perimeter is 30cm, we will make ur-e:
2x + x + x = 30
4x = 30
x = 7.5 (cm) -AB, BС.
7.5 * 2 = 15 (cm) -AC
Answer: 7.5; 7.5; 15.
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