Question

if the perimeter of a triangle is 40 cm and two sides are 10 cm and 14cm, then find its third side.​

Answer 1

Answer:

16 is the third side

Step-by-step explanation:

The perimeter of a triangle =a+b+c

10+14+c=40

=24+c=40

C=40-24

=16

So 16 is the third side of this triangle

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Answer 2

Answer :

3rd side of triangle = 16 cm

Step-by-step explanation:

let the 3rd side be x

Perimeter = sum of all sides

40 = 10+14+x

40 = 24+x

x = 40 - 24

x = 16 cm