Online Geometry Problems

Online Geometry Problem 849: Special Right triangle, Catheti or legs ratio 1:3, 18.5 Degrees, Double angle. Level: High School, SAT Prep, College, Mathematics Education

The figure below shows a right triangle ABC with BC = 3AB. Prove that the measure of angle C is approximately 18.5 degrees. Try to use elementary geometry (Euclid's Elements.)
 

Right triangle, Catheti or legs ratio 1:3, 18.5 Degrees. Double angle
 


 

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