制图 - 2026 进行中

科目: 制图
级别: X (I级最简单，XII级最难)
类别: 大学生
试题语言: English
题数: 15
问题示例: A regular octagon is constructed by dividing a circle into equal central angles. What is the measure of each angle? 45°, 30°, 60°, 22.5°