수학동아 - 폴리매스

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함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 내접원의 반지름

K→C≡N 2019.11.07 15:54 조회 699

문제 푼 사람 1명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

삼각형 ㄱㄴㄷ이 있다. 선분 ㄴㄷ의 중점을 ㅁ이라 할때,

ㄱㄴㄷ의 내접원의 반지름이 ㄱㄴㅁ의 반지름의 2배가 될 수 있는가?

(대표이미지 참조)

※가능하다면 방법을, 불가능하다면 증명을 하여라.

이전글 (초간단 문제) 소수의 곱

다음글 한손말

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GUN.007 Lv.11 2019.11.10 05:25 비밀댓글

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