Question

12. If the difference between the semi-perimeter 's' and the sides 'a', 'b' and 'c' of ABC are 8 cm, 7 cm and 6 cm respectively, then (ABC) is
a) 63 cm sq
b) 42cm sq
c)84 cm sq
d) 168 cm sq



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Answer 1

Answer:

c 84 cm is right answer iam sure

Answer 2

Step-by-step explanation:

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