Find the area of the lot

Question

The lengths of the sides of a triangular plot of land are 43 feet, 102 feet, and 97 feet.

Answer 1

Use Heron's formula:

s = (s1 + s2 + s3)/2

where s1 = 43, s2 = 102 and s3 = 97

area = sqrt(s*(s-s1)(s-2)(s-3))