The base of an isosceles triangle is 6 cm, its perimeter is less than 26 cm, Estimate the length of the side
| June 30, 2021 | education
The base of an isosceles triangle is 6 cm, its perimeter is less than 26 cm, Estimate the length of the side of an isosceles triangle.
Suppose that the perimeter of a triangle is 26 cm, then the length of the side is (26 – 6): 2 = 10. But since the perimeter must be less than 26 cm, the side of an isosceles triangle must be less than 10 cm.
The sum of the two sides of the triangle must be greater than the third side, which means that each side must be more than 3 cm (6: 3 = 3).
Answer: the side of an isosceles triangle should be more than 3 cm, but less than 10 cm.
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