
삼각형의 무게중심
Quiz
•
Mathematics
•
8th Grade
•
Medium
박진일 박진일
Used 5+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
△ABC의 두 점 D, E가 각각 AB, AC의 중점일 때, ∠ADE의 크기와 선분 BC의 길이를 구하면?
65도, 8cm
70도, 8cm
72도, 12cm
70도, 10cm
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
두 점 C, D는 각각 OA, OB의 중점이고, 두 점 E, F는 각각 PA, PB의 중점이다. 또한, 두 점 G, H는 각각 QA, QB의 중점이다. AB=10 cm일 때,
CD+EF+GH의 길이를 구하시오.
12cm
13cm
14cm
15cm
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
점 G는 △ABC의 무게중심이고, △GMC의 넓이가 5 cm^2일 때, △ABC의 넓이는 몇 cm^2인가?
25
30
32
34
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
점 G와 점 G'은 각각 △ABC와 △GBC의 무게중심이다. △ABC의 넓이가 18 cm^2일 때,
△BG'M의 넓이는 몇 cm^2인가?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
점 G는 △ABC의 무게중심이다. 다음 보기 중에서 옳지 않은 것을 고르면?
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