Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

1962 AHSME Problems/Problem 7

Revision as of 21:27, 9 November 2013 by Fadebekun (talk | contribs) (Created page with "==Problem== Let the bisectors of the exterior angles at <math>B</math> and <math>C</math> of triangle <math>ABC</math> meet at D<math>.</math> Then, if all measurements are in de...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Problem

Let the bisectors of the exterior angles at $B$ and $C$ of triangle $ABC$ meet at D$.$ Then, if all measurements are in degrees, angle $BDC$ equals:

$\textbf{(A)}\ \frac{1}{2}(90-A)\qquad\textbf{(B)}\ 90-A\qquad\textbf{(C)}\ \frac{1}{2}(180-A)\qquad\textbf{(D)}\ 180-A\qquad\textbf{(E)}\ 180-2A$

Solution

"Unsolved"

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=1962_AHSME_Problems/Problem_7&oldid=57531"