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

Find the semi perimeter of a triangle with sides 9cm 12 cm and 30 cm
asked 102k views
5 votes
Find the semi perimeter of a triangle with sides 9cm 12 cm and 30 cm

asked
User R Claven
by
8.3k points

1 Answer

9 votes

Answer:

25.5 cm

Explanation:


s = (a + b + c)/(2)


= (9 + 12 + 30)/(2)cm \\ = (51)/(2)cm \\ 25.5cm

answered
User Sajith Edirisinghe
by
8.0k points
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