Online Geometry Problems

Online Geometry Problem 851: Triangle, Triple side, Angles, 90 Degrees, Special Right triangle, Sides ratio 1:3. Level: High School, College, Mathematics Education

The figure below shows a triangle ABC with AC = 3BC and angle B - angle A = 90 degrees. Find the measure of angle A.
Try to use elementary geometry (no trigonometry.)

 

Problem 851: Triangle, Triple side, Angles, 90 Degrees, Special Right triangle, Sides ratio 1 3
 


 

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