A statue is erected on a triangular marble base. The lengths of the sides of the triangle are 12 feet, 16 feet, and 18 feet. What is the area of the region at the base of the statue to the nearest square foot?

169 ft2

144 ft2

143 ft2

94 ft2

1 answer

Just use Heron's formula:

A = √((23)(23-12)(23-16)(23-18))