If the lengths of three sides of a triangle are known, then the following formula, known as Hero's (or Heron's) formula is sometimes used: where a, b, and c are the given lengths of the sides, and . Use this formula to find the area of a triangle with the lengths given below (correct to the nearest square foot) .
ft, ft, and ft

Question

If the lengths of three sides of a triangle are known, then the following formula, known as Hero's (or Heron's) formula is sometimes used:

where a, b, and c are the given lengths of the sides, and

. Use this formula to find the area of a triangle with the lengths given below (correct to the nearest square foot) .

ft,

ft, and

ft

Quizplus · Accepted Answer

The Answer of If the lengths of three sides of a triangle are known, then the following formula, known as Hero's (or Heron's) formula is sometimes used: where a, b, and c are the given lengths of the sides, and . Use this formula to find the area of a triangle with the lengths given below (correct to the nearest square foot). ft, ft, and ft A) 41 ft² B) 3 ft² C) 6 ft² D) 13 ft² E) 14 ft²

If the Lengths of Three Sides of a Triangle Are