How do you use Heron's formula to determine the area of a triangle with sides of that are 7, 15, and 11 units in length?

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Answer 1 · 2018-03-28T03:18:31

35.960

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Heron's Formula

=S= #(A+B+C)/2#

=S= #(7+15+11)/2#

=S=16.5 (Semi perimeter)

Now Area

Area = #sqrt(S(S-A)(S-B)(S-C)#

= #sqrt(16.5(16.5-7)(16.5-15)(16.5-11)#

Area =35.960