Question

The perimeter of a triangle is 78 cm.The length of its sides are 32 cm ,25cm (x+16) cm. Find the value of x.

Answer 1

32+25+16+x=78cm
57+16+x=78
73+x=78
x=78-73
x=5 cm

Answer 2

32+25+x+16=78
=> 73+x=78
=> x=5