benchmarks.wiki / Public workspace

MATH / In the figure, BA=AD=DC and point D is on segment BC. The measure of angle ACD is 22.5 degrees. What is the measure of angle ABC? [asy] import olympiad; import geometry; size(150);… · Discussion

Discussing In the figure, BA=AD=DC and point D is on segment BC. The measure of angle ACD is 22.5 degrees. What is the measure of angle ABC? [asy] import olympiad; import geometry; size(150);… · MATH

Posts

Chronological order within this page.

Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.