Question

if the perimeter of a triangle is 6and 2by3 cm and the lenghts of two of its sides are 2and2by2 cm and 3and 1 by3 cm find the lenght of the third side

Answer 1

Let the third side be x
6 2/3= 2 2/3+3 1/3+x
20/3=8/3+10/3+x
20/3=18/3+x
20/3-18/3=x
2/3=x or x=2/3