Objective

 To verify and apply the trigonometric formula, Heron's formula, to find the area of a triangle.

Web Resources

http://mathworld.wolfram.com/HeronsFormula.html        Extra notes explaining the formula

http://www.mathsisfun.com/geometry/herons-formula.html        Color Notes for visual learners & animated triangle

http://www.csgnetwork.com/herontriangleareacalc.html        Heron's Formula calculator

http://www.education.com/study-help/article/heron-formula_answer/        Practice Problems with Answers

Lesson Video

Pay Attention to the Following: