# A triangle has sides with lengths: 7, 12, and 15. How do you find the area of the triangle using Heron's formula?

##### 1 Answer

Jan 6, 2016

41.23 (2 decimal places )

#### Explanation:

this is a two step process

where a , b and c represent the three sides of the triangle

calculate s (half of the triangles perimeter ) :

in this case

calculate area :

in this case A =