# The perimeter of an isosceles triangle is 28cm and the lateral side is 10cm, find the base of the triangle

September 26, 2021 | education

| An isosceles triangle is a triangle whose two sides are equal. The perimeter of a triangle is equal to the sum of its three sides. From the condition of the problem, the lateral side of the triangle is known, and the perimeter of the triangle is also known. we will answer the question of the problem.

Find what the base of the triangle is equal to.

28 – (10 * 2) = 28 – 20 = 8 centimeters.

Answer: The base of the triangle is 8 centimeters.

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