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OpenStudy (anonymous):
An isosceles trapezoid has base angles of 45° and bases of lengths 9 and 15. The area of the trapezoid is 36 sq. units 67.5 sq. units 72 sq. units
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OpenStudy (anonymous):
|dw:1438334047872:dw|
OpenStudy (anonymous):
its A 36sq. in
OpenStudy (anonymous):
|dw:1438334678768:dw|
OpenStudy (anonymous):
So you need to find out the height with some trigonometry magic
OpenStudy (michele_laino):
hint: we have this drawing: |dw:1438336307052:dw|
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