#기하문제 315 #GeometryProblem 315 Two triangles were drawn on a regular hexagon. What is the ratio [Green]:[Orange]?

#기하문제 316 #GeometryProblem 316 Two triangles were drawn on a regular hexagon by drawing a perpendicular line. What is the ratio [Green]:[Orange]?

Another book building in Busan, South Korea.

#기하문제 317 #GeometryProblem 317 A triangle was drawn on a regular hexagon. What fraction is shaded?

국제 수학 올림피아드 2024 순위 1. 미국 🇺🇸 2. 중국 🇨🇳 3. 대한민국 🇰🇷 4. 인도 🇮🇳 5. 벨라루스 🇧🇾 6. 싱가포르 🇸🇬 6. 영국 🇬🇧 8. 헝가리 🇭🇺 9. 폴란드 🇵🇱 9. 튀르키예 🇹🇷 ~

1위 미국, 2위 중국, 3위 대한민국

#기하문제 318 #GeometryProblem 318 A triangle was drawn on a regular hexagon in another way. What fraction is shaded?

#기하문제 319 #GeometryProblem 319 A triangle was drawn on a regular hexagon by a midpoint and an intersection point. What fraction is shaded?

#기하문제 320 #GeometryProblem 320 Easy one. 30 sec cut. 😉 A triangle was drawn on a regular hexagon by diagonals. What fraction is shaded?

과거에 연연하지 마라. 타임머신은 아직 발명되지 않았다. 하지만, 과거를 잊지는 마라. 타임머신이 언제 발명될지 모른다.

오늘의 노동요 youtube.com/watch?v=jmrBb8…

#기하문제 321 #GeometryProblem 321 A triangle was drawn on three regular hexagons. What fraction is shaded? Indeed, almost the same problem was asked before.

#기하문제 322 #GeometryProblem 322 A regular hexagon was drawn on a regular nonagon. What is the angle?

#기하문제 323 #GeometryProblem 323 Four regions were drawn by drawing two segments on a square. The areas of three regions are 1, 4, and 9. What is the area of the shaded quadrilateral?

#기하문제 324 #GeometryProblem 324 Four regions were drawn by drawing two segments on a triangle. The areas of three regions are 1, 2, and 3. What is the area of the shaded quadrilateral?

#기하문제 325 #GeometryProblem 325 A triangle was drawn on a square by using midpoints. What fraction is shaded?

이런 복합적인 멋진 문제라니. ㅋ horizon.kias.re.kr/30041/

#기하문제 326 #GeometryProblem 326 A kite was drawn on a square by using midpoints. What fraction is shaded?