# A triangle has sides with lengths: 1, 6, and 8. How do you find the area of the triangle using Heron's formula?

Mar 14, 2016

Not a valid triangle

#### Explanation:

This is not a valid triangle.Any side of a triangle is always shorter than the sum of the other 2 sides.

consider side of 1 : 6+8 = 14 → 1 < 14 valid

consider side of 6 : 1+8 = 9 → 6 < 9 valid

consider side of 8 : 1+6 = 7 → 8 > 7 not valid