Join the USAMO Guide Discord Server. Regular updates are posted there!

Let me Join!
Dismiss

Problem 5 (1988 AJHSME)

AJHSMEVery Easy

From module Geometry Basics

Problem

If ∠CBD\angle CBD is a right angle, then this protractor indicates that the measure of ∠ABC\angle ABC is approximately [See figure in original PDF]

Select an answer

Show me the solution

← Back to all problems