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15 April 2009

• curprev 07:0207:02, 15 April 2009 1=2 talk contribs 1,017 bytes +1,017 New page: ==Problem== If <math>\angle \text{CBD}</math> is a right angle, then this protractor indicates that the measure of <math>\angle \text{ABC}</math> is approximately <asy> unitsize(36); pair...