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OpenStudy (anonymous):
Rectangle ADEF and isosceles trapezoid FBCE both have a base of 20. The lower base angles of the trapezoid are 45° and the legs of the trapezoid are 9. How long is BC? Round your answer to the nearest tenth. Please help?
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OpenStudy (mertsj):
You don't have enough information. Which trapezoid has base angles of 45 degrees? Which one has legs of 9?
OpenStudy (anonymous):
OpenStudy (anonymous):
Please help.
Directrix (directrix):
Multiple use of 45-45-90 Theorem
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