수학동아 - 폴리매스

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함께 풀고 싶은 문제

나도 수학쌤 문장제 문제를 변형해 문제를 내는 곳입니다.

[문장제 문제&개념응용] 삼각점

우럭 2021.02.28 07:55 조회 330

문제 푼 사람 0명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

내각이 모두 120도 이하인 삼각형 ABC가 있다.

이때, 각 BAC가 50도이고, 삼각형 내부에 한 점 P가 있다.

PA의 길이는 P_a

PB의 길이는 P_b

PC의 길이는 P_c라고 하고,

P_a * a = P_b * b = P_c * c가 만족된다면,

각 BPC의 크기는?

(단, a는 점 A의 대변, b는 점 B의 대변, c는 점 C의 대변,

이전글 아파트단지 폭파하기

다음글 [확률] 정주행

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