The lateral side of an isosceles triangle is 8 cm, and its perimeter is 22 cm. find the base of a triangle?

univerkov | March 9, 2021 | education

The ABC triangle is isosceles, which means its sides are equal. AB = BC = 8cm. The perimeter is the sum of all sides, it follows that in order to find the base of the triangle, the side of the AC needs to subtract the sum of the two sides from the perimeter. AC = P- (AB + BC) 22- (8 + 8) = 6cm.
Answer: the base of the triangle is 6cm.

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