Calculate the area of a triangle with sides 4.2, 5.3, 7.6 cm I used heron's formula $\displaystyle (\sqrt{s(s-a)+s(s-b)+s(s-c)})$ to get 8.55cm^2 as an answer. Is this correct?
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Originally Posted by Mukilab Calculate the area of a triangle with sides 4.2, 5.3, 7.6 cm I used heron's formula $\displaystyle (\sqrt{s(s-a)+s(s-b)+s(s-c)})$ to get 8.55cm^2 as an answer. Is this correct? Hi Mukilab, This formula you quote is incorrect bjh
aha, thanks for that
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