Question

(ii) The perimeter of a triangle is 40 cm. Two of its sides measure 12.9cm and 14.6.Find the peetimeter of the triangle​

Answer 1

I think it's find the third side

perimeter of triangle = side +side+side

40= 12.9+14.6+x

40=27.5+x

x=40-27.5

x=12.5