ABCD is a trapezoid. segment AB = 1 cm and segment CD = 5 cm, and the area = 7.5 cm2. What is the altitude of the trapezoid?
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OpenStudy (anonymous):
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OpenStudy (anonymous):
Thanks.... Can you help?
OpenStudy (anonymous):
im not very good at math here @qweqwe123123123123111
OpenStudy (anonymous):
Thanks.
OpenStudy (anonymous):
Area of a trap = ((a+b)/2) * H
So H would be area / ((a+b)/2)
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OpenStudy (anonymous):
I dont know how you get a & b
OpenStudy (anonymous):
BTW, I have it drawn so that "a" is "AB" and "b" is "CD". My "H" is the same as "altitude".
Sorry for not defining all that for you.
OpenStudy (anonymous):
So H is 2.5?
OpenStudy (anonymous):
BTW...again... :-)
I have the trap drawn with AB across the top and CD being the bottom parallel section.
OpenStudy (anonymous):
YES!! You got it! :-)
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