Question

The semi perimeter of a triangle whose sides are 20 cm , 15cm and 9cm is

Answer 1

Answer:

22

Step-by-step explanation:

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Answer 2

Answer:

27

Step-by-step explanation:

Given : 20 cm , 15 cm and 9 cm

To Find : The semi perimeter of a triangle whose sides are 20 cm , 15 cm and 9 cm is

Solution :

Sides of triangle is 20 cm , 15 cm and 9 cm

Semi-Perimeter of triangle =$\frac{ \text{Sum of all sides}}{2} = \frac{20+15+19}{2} = 27$

Hence The semi perimeter of a triangle whose sides are 20 cm , 15cm and 9cm is 27 .