Question

The perimeter of a triangle is 54cm. If the two sides are 16cm and 28cm, what is the length of the third side?

Answer 1

Step-by-step explanation:

16cm +28 cm= 44

third side= 54-44=10cm

Answer 2

Answer:

10 cm

Step-by-step explanation:

Given, perimeter = 54cm

           length of 1st side = 16cm

           length of 2nd side = 28cm

let the 3rd side be x

therefore, perimeter = 1st side + 2nd side + x

                        or, 54 = 16 + 28 + x

                        or, x = 54 - 44

                        or, x = 10 cm