SOLUTION: The bases of a trapezoid are x+3 and 2x-1. Find its area if the altitude is x+4 cm?

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Question 701150: The bases of a trapezoid are x+3 and 2x-1. Find its area if the altitude is x+4 cm?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
Bases = x+3 and 2x-1
Height = x+4
Area=(b1+b2/2)*h
[(x+3)+(2x-1)]/2*(x+4)
[3x+2]/2*(x+4)
[3x/2+1](x+4)
3x^2/2+x+12x/2+4
1.5x^2+x+6x+4
1.5x^2+7x+4 ans.