Question 898135
in tringle ABC,right angle is at b,bc=x, and ab=2x then determine angle a and angle c.
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<img src=" http://www.mathwarehouse.com/geometry/triangles/images/right-triangles/picture-of-right-triangle.png ">
BC = x, and AB = 2x
Therefore, tan &#8736A = {{{O/A}}}, or {{{BC/AB}}}, or {{{x/2x}}}, or {{{1/2}}}
&#8736A = {{{tan^-1(1/2)}}}
&#8736A = {{{highlight_green(26.565^o)}}}
&#8736C = {{{90^o - 26.565^o}}} = {{{highlight_green(63.435^o)}}}