Question

An isosceles triangle has two sides with length x the third side is half of x. What is perimeter

Answer 1

x+x+x/2 = perimeter
2x+x/2 = perimeter
4x/2+x/2= perimeter
5x/2 =perimeter

Answer 2

The perimeter of the triangle is 5x/2.

Given :

An isosceles triangle has two sides = x.

Third side = x/2.

To find :

The perimeter of the triangle.

Solution :

The sides of the triangle are x, x, x/2.

Perimeter = sum of all sides.

Perimeter = $x + x + x/2.$

Perimeter = $(2x+2x+x)/2$

Perimeter = $5x/2$

Therefore, the perimeter of the triangle is 5x/2.

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