Question

For the ∆ ABC, semi perimeter is _____ where AB = 8 cm, BC = 12 cm, AC = 10 cm.

Answer 1

Step-by-step explanation:

Perimeter of Triangle ABC = a + b + c

= 8 + 12 + 10

= 30cm

semi perimeter = Perimeter/ 2

= 30/2

= 15 cm

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Answer 2

Step-by-step explanation:

as perimeter is sum of all sides , which is -: 8+12+10=30

30/2=15