Question

the sum of two sides of a triangle is 17cm . Its perimeter is 27 cm. Find the length of the third side.

Answer 1

x+17=27
x=10...............

Answer 2

X+Y+Z=27

GIVEN

X+Y = 17-----1

SUBSTITUTING

X+Y+Z=27

17+Z=27

Z=27-17

Z=10