The lengths of the sides of a triangular parcel of land are approximately 400 feet,700 feet,and 800 feet.Approximate the area of the parcel. A)180,710.4 ft² B)139,977.7 ft² C)94,372.9 ft² D)207,620.4 ft² E)108,426.2 ft²

Question

Quizplus · Accepted Answer

Using Heron's formula, we can calculate the area of the triangle:
s = (400 + 700 + 800)/2 = 950
Area = sqrt(950*(950-400)*(950-700)*(950-800)) ≈ 139,977.7 ft². Therefore, the best choice is B.

The Lengths of the Sides of a Triangular Parcel of Land