Area of a Triangle. A formula for finding the area of a triangle when given the measures of the angles and one side is area =

where a is the length of the side opposite angle A. If the measures of angles B and C are 60° and 75° , respectively, and if a = 19 feet, use the appropriate product-to-sum identity to change the formula so that you can solve for the area of a triangle exactly. Give the exact answer.
.

Question

Area of a Triangle. A formula for finding the area of a triangle when given the measures of the angles and one side is area = 
  
where a is the length of the side opposite angle A. If the measures of angles B and C are 60° and 75° , respectively, and if a = 19 feet, use the appropriate product-to-sum identity to change the formula so that you can solve for the area of a triangle exactly. Give the exact answer.
.

Quizplus · Accepted Answer

The Answer of Area of a Triangle. A formula for finding the area of a triangle when given the measures of the angles and one side is area = 
  
where a is the length of the side opposite angle A. If the measures of angles B and C are 60° and 75° , respectively, and if a = 19 feet, use the appropriate product-to-sum identity to change the formula so that you can solve for the area of a triangle exactly. Give the exact answer.
.