Mathematics
Find the area of a triangle whose sides are 12 cm, 9.6 cm and 7.2 cm.
Mensuration
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Answer
Consider a = 12 cm, b = 9.6 cm and c = 7.2 cm
We know that,
Semi perimeter (s) =
Substituting the values we get,
s = = 14.4 cm.
Area of triangle =
Substituting values we get,
Hence, area of triangle = 34.56 cm2.
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