Question

Triangle ABC is isosceles, and segment AB is congruent to segment AC.  AB equals to 1/2x+1/4  and BC equals to 5/2-x. What is the perimeter

Answer 1

The perimeter of triangle ABC is 3 cm.

Given:- AB is congruent to segment AC  

AB= AC= 1/2x + 1/4

BC= 5/2-x

Perimeter of a triangle = Sum of all sides

                                      = (1/2x + 1/4) + (1/2x + 1/4) + (5/2-x)

                                      = 1/2x +1/2x -x +1/4+1/4+5/2

                                      = 3 cm

Therefore, the perimeter of triangle ABC is 3 cm.

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