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complete the trapezoid to a rectangleA+C=1/2*(1+(1-cotb))B+C=PI/4cotb=2-PI/2
How can you write this:A+C=1/2*(1+(1-cotb)) ?C is the area of quarter circle minus B.But I didn;t get it??
http://i36.tinypic.com/140agkl.gif
complete the trapezoid to a rectangle
ReplyDeleteA+C=1/2*(1+(1-cotb))
B+C=PI/4
cotb=2-PI/2
How can you write this:
ReplyDeleteA+C=1/2*(1+(1-cotb)) ?
C is the area of quarter circle minus B.
But I didn;t get it??
http://i36.tinypic.com/140agkl.gif
ReplyDelete