Math, asked by Abidkatalur7084, 1 year ago

Find the semi perimeter of a triangle having the length of of its sides as 20 CM, 15 CM and 9 CM

Answers

Answered by arunima180901

5

Answer:

Step-by-step explanation:

s=a+b+c/2

a=20, b=15, c=9

s=20+15+9/2

s=44/2

s=22cm

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