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Area of a Trapezoid by Similarity
저자:
John Golden
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넓이
Inspired by Ed Southall's trapezoid musings.
http://solvemymaths.com/2015/03/07/proof-area-of-a-trapezium-trapezoid-us/
In the sketch, it is set up so BC<=AD. Is that an okay assumption to make?
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Task 3 - Custom Solid 1
Slope Between 2 Points (Phase 2)
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Which Quadrilateral is Which?
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Pentagon Exterior Angles
day 110
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