Question

one side of a triangle is a half of the longer side and the third is 2/3 of the longer side if the perimeter of the triangle is 13 cm find the length of the longest side​

Answer 1

Answer:

Step-by-step explanation:

let, longest side= x

second side= 1/2 x

third side=2/3 x

perimeter of triangle= x + 1/2x + 3/2X

13 = 6x/2

26/6 = x

x = 13/3

∴ longest side= 13/3 cm

Answer 2

Answer:

but in the book the answer is 6 how is it possible