Question

2 sides of a triangle are 12 cm and 14 cm.The perimeter of the triangle is 36 cm.What is its 3rd side?​

Answer 1

Answer:

third side=36-12+14

=36-26

=10cm

Answer 2

Side a = 12 cm

Side b = 14 cm

Side c = ?

Perimeter = 36 cm

Side a + Side b + Side c = Perimeter

12 + 14 + Side c = 36

26 + Side c = 36

Side c = 36 - 26

= 10

Therefore, the third side = 10 cm

Hope it helps :)