The length of one side of an isosceles triangle is 28 centimeters, and its perimeter is 80 centimeters.
| March 11, 2021 | education
The length of one side of an isosceles triangle is 28 centimeters, and its perimeter is 80 centimeters. Find the lengths of the other two sides of the triangle. How many solutions does the problem have?
Suppose that the side specified in the problem is the base of the triangle, since in an isosceles triangle two sides are equal, then their value is equal to:
(80 – 28) / 2 = 29 cm.
If we assume that the given value determines the length of the rib, then the base is equal to:
80 – 28 * 2 = 24cm.
Answer: the problem has two answers: 28, 29, 29 and 24, 28, 28.
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