The perimeter of an isosceles triangle is 7.5 m, the lateral side is 2 m. Find the base

The sides of the triangle are the same and equal to 2 cm. Therefore, its base will be equal to the difference between the perimeter and the sum of the sides = P – (2 + 2) = P – 4 = 7.5 – 4 = 3.5 cm;



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