Question

Two equal side of an isosceles triangle 3 cm mare than twice the third side perimeter of triangle is 26 cm find length of third side

Answer 1

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Step-by-step explanation:

Answer 2

let we think third side=x

two equal side of a isosceles triangle=2x+3

perimeter=26cm

sum of all sides of a triangle=perimeter

x+2x+3+2x+3=26cm

5x+6=26cm

5x=26cm-6

5x=20cm

x=20cm/5

x=4cm

third side of a isosceles triangle=4cm