Question

Find the third side of a triangle who’s other two sides are 19 cm and 31 cm and perimeter is 60 cm. with steps plz :3

Answer 1

Answer:

10 cm

Step-by-step explanation:

Let unknown side be x.

Perimeter = sum of all sides

60 = 19 + 31 + x

60 = 50 + x

x + 50 = 60

x = 60 - 50

x = 10

Hence, the third side x is of 10 cm.