

Unraveling Geometry Problem 857: Exploring Triangles, Median, Midpoint, and Congruence with Auxiliary Lines  Mastering 30 and 45 Degree Angles

Given triangle ABC with angle BAC = 30
degrees and angle ACB = 105 degrees, find the measure of angle
ABD, where BD is the median from vertex B. Use only elementary
geometry to solve this problem; do not use trigonometry.


See More Geometry Problems:




Geometry Problem 858
Isosceles Right Triangle, Cevian, Ratio 2:1, 45 Degrees, Congruence, Angles, Auxiliary Lines. 

Geometry Problem 856
Quadrilateral, Diagonals, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines. 

Geometry Problem 855
Quadrilateral, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines. 

Geometry Problem 854
Triangle, Parallel lines, Parallelogram, Areas, Similarity, Concurrent lines. 






