Question 873785
(8/7, 46/7) point of intersection
tan A = {{{(46/7)/(23/14) = 92/23}}}  and tan B = {{{(46/7)/( 46/21) = 1}}}
A = 75.96°  and B = 45°
The other 180 - 76 - 45 = 59°  Check All Arithmetic
{{{drawing(300,300,   -10,10,-10,10,  blue(line(8/7,10,8/7,-10))  ,  
 grid(1),
circle(10/3, 0,0.4),
circle(-.5, 0,0.4),
circle(8/7, 0,0.4),
circle(8/7, 46/7,0.4),
graph( 300, 300, -10,10,-10,10,0,-3x + 10, 4x+2))}}}