Math, asked by noorimran466, 3 months ago

Find the semi perimeter of a triangle with side 9cm 12cm and 30cm

Answers

Answered by kunal2020saini7
12

Answer:

25.5

Step-by-step explanation:

(9+12+30)/2=(12+39)/2= 51/2=25.5

Answered by rn78302711
14

Answer:

s = a+b+c / 2

= 9 + 12 + 30 / 2

= 51/2

= 25.5cm

Step-by-step explanation:

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