Math, asked by gps531982, 6 months ago

Find the semi perimeter of a trångle with
sides 9cm 12 cm and 30 cm!​

Answers

Answered by nk12437
1

1/2 (9+12+30) cm

1/2 × 51 cm

25.5 cm

Answered by Dipto1947
12

Answer:

25.5

Step-by-step explanation:

Let a= 9cm

b= 12cm

c= 30 cm

We know that

Semi-perimeter= a+b+c/2

= 9+12+30/2

= 51/2

= 25.5cm

Please mark my answer as the brainliest coz I do not have any answer marked as brainliest.

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