Find measure of required angle in isosceles triangle.
93179
Langley's Adventitious Angles
54032
dimensional analysis - how to find the dimensions of a variable inside an angle
40596
Proving a relation between inradius ,circumradius and exradii in a triangle
5642
Geometry with Trigonometry
61343
Prove that if $\alpha, \beta, \gamma$ are angles in triangle, then $(tan(\frac{\alpha}{2}))^2+(tan(\frac{\beta}{2}))^2+(tan(\frac{\gamma}{2}))^2\geq1$
143584
Trigonometric ratios for angles greater than $90^\circ$?
143101
Find the slope of a line given a point and an angle
106141
Find the area ratio between ABC and the hatched triangle.
147467
Angle between 2 points
83788
Condition on sides of triangle to proof it is isoceles
124933
Isometry group question
90708
Comparing angles and working out the difference
96065
Question about sines of angles in an acute triangle
125597
calculator's angle answer for trig ratios that can work in more than 1 quadrant on the unit circle
30044
Inequality with triangle sides
47378
draw $\triangle ABC$ in which $AB=5.5$cm, $\angle C =40^{\circ}$ and $BC-AC=2.5$cm
116815
Angle between two circles