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We can prove Heron's formula by the equation method. First of all we should know the height of the triangle and the three sides.

The working is given below:

s=(a+b+c)/2

We must then find:

s-a

s-b

s-c

By data,

√[s(s-a)(s-b)(s-c)] =1/2bh

If the answers are equal, then Heron's Formula has been proved.

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17y ago

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