# The perimeter of an isosceles triangle is 13 cm. The sum of the base and side is 8.3 cm. Find the sides of the triangle.

June 26, 2021 | education

| In an isosceles triangle, there are two sides at the base, that is, the sides are equal. The perimeter of a triangle is the sum of all the sides of the triangle. Then, if we subtract the sum of one side and the base from the perimeter of the triangle, we find the length of the second side. 1) 13 – 8.3 = 4.7 centimeters – the length of the side of the triangle. 2) 8.3 – 4.7 = 3.6 centimeters – the length of the base of the triangle.

Answer: 4.7 and 4.7 centimeters (sides of the triangle); 3.6 centimeters (base).

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