Geometry Problems, Online Education

 Problem 43. Angles, Triangle, 60 Degrees. Level: High School, SAT Prep, College

In the figure, AB = BC = CD, and the measure of angle C is double the measure of angle A. Prove that x = 60.
See also problems 4 and 42.
 


 
 

See also:
Art and typography of problem 43.

Selected Topics

Home | Geometry | Problems | Open Problems | 10 Problems | 41-50 | Double Angle | Email | By Antonio Gutierrez

Post or view a solution to the problem 43