The perimeter of an isosceles triangle is 28 cm, and the lateral side is 10 cm. Find the base of the triangle.
| May 25, 2021 | education
To solve this problem, remember that an isosceles triangle is a triangle in which two sides and angles at the base are equal. The perimeter of a triangle is equal to the sum of the lengths of all three sides. Knowing that the perimeter is 28 centimeters and the lateral side is 10 centimeters, we calculate what the base of the triangle is.
28 – 10 * 2 = 28 – 20 = 8 centimeters.
Answer: 8 cm.
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