find the cost of making a trianguler sale that has a base demension of 14 feet and a hieght of 20 feet if the price for making the sale is $20,50per square foot

Question

The total cost of making a triangular sail is...???

Answer 1

The area of a triangle is 1/2 x base x height.  So the area of this triangle is 1/2 x 14 x 20 or 140 square feet.  Then take 140 square feet and multiply it by $20.50.  The result is $2,870.00.