The sides of the triangle are 41cm, 28cm and 15cm . What is the semi-perimeter ( s ) of the triangle?
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Answered by
2
Answer:
42 cm
Step-by-step explanation:
Semiperimeter=Perimeter/2
Perimeter = Sum of all sides
=41+28+15
= 84 cm
Semiperimeter = 84/2
= 42 cm
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Answered by
0
Answer:
s= [s1+s2+s3] /2
[41+28+15]/2
s=42
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