# find the area of the triangle with sides 5, 6 and root 13 units

Dear Student,

To find the area of a triangle when the three sides are given, we use the Heron's formula.

Let the triangle be ABC and a = 5, b=6 and c = $\sqrt{13}$

Now, Heron's formula is given as:

Thus, the correct answer is 9 units.

Hope it helps.

Regards

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