Brian needs to paint a trapezoidal wall. The wall is 9 feet tall, and one base is a third the length of the other. Paint costs $15 per gallon.

Let xbe a measure in feet. If a gallon covers 20 square feet:

Write an equation for the area of the wall: A=

Now, write an equation for the cost of paint: C=

Question

Brian needs to paint a trapezoidal wall. The wall is 9 feet tall, and one base is a third the length of the other. Paint costs $15 per gallon.

Let xbe a measure in feet. If a gallon covers 20 square feet:

Write an equation for the area of the wall: A= 

Now, write an equation for the cost of paint: C=

tkhunny · Answer

Well, do it.  Is there a formula for the area of a trapezoid?

Height, Base1, Base2...

anonymous · Answer

i forgot that formula..