SOLUTION: Determine the number of square units in the area of the trapezoid whose bases are 5 - x units and 13 + x units and whose height is 10 units.

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Question 257612: Determine the number of square units in the area of the trapezoid whose bases are 5 - x units and 13 + x units and whose height is 10 units.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
A=1/2h(b1+b2)
A=10(5-x+13+x)/2
A=10*18/2
A=180/2
A=90 sq. units is the answer.