SOLUTION: the parallel sides of a trapezoid are of length 3 and 6cm. if the third side measures 5cm and the last side is perpendicular to the first two, what is the area of the trapezoid?

Question 970248: the parallel sides of a trapezoid are of length 3 and 6cm. if the third side measures 5cm and the last side is perpendicular to the first two, what is the area of the trapezoid?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
A right triangle is formed with the third side as hypotenuse(=5cm), the difference between the two bases as one leg(a=6cm-3cm=3cm) And the height of the trapezoid as the other leg (b):
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The height of the trapezoid is 4 centimeters.
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Area of trapezoid:
y=longer base; x=shorter base; h=height; A=area
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ANSWER: The area of the trapezoid is 18 square centimeters.
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