Use your compass to bisect an angle. 用圓規把一個(gè)角二等分。
Trisecting an arbitrary angle with a compass and straightedge was one of the famous ancient Greeks unsolved construction problems. 用直尺和圓規三等分一個(gè)任意的角是古希臘著(zhù)名的構造問(wèn)題之一。
Use your compass to bisect an angle. 用圓規把一個(gè)角二等分。
Trisecting an arbitrary angle with a compass and straightedge was one of the famous ancient Greeks unsolved construction problems. 用直尺和圓規三等分一個(gè)任意的角是古希臘著(zhù)名的構造問(wèn)題之一。
