
직각삼각형 합동
Quiz
•
Mathematics
•
8th Grade
•
Medium
박진일 박진일
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
△ABC는 ∠B=90이고 BA=BC인
직각이등변삼각형이다. 두 점 A, C에서 점 B를 지나는
직선 l에 내린 수선의 발을 각각 D, E라 하고 AD=5 cm,
DE=13 cm일 때, CE의 길이를 구하면?
7
8
9
10
2.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
△ABC는 ∠C=90인 직각삼각형이다. AB=2AC이고,
AB의 중점을 M, AB의 수직이등분선과 BC의 교점을
D라고 할 때, ∠DAC의 크기를 구하면?
30도
35도
40도
45도
3.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
△ABC는 ∠A=90이고 AB=AC인 직각이등변삼각형이다. 두 점 B, C에서 점 A를 지나는 직선 l에 내린 수선의 발을 각각 D, E라고 하자. BD=5 cm, CE=3 cm일 때,
사각형 BCED의 넓이를 구하면?
25
30
32
35
4.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
∠C=90인 직각삼각형 ABC에서 ∠EDB=90이고
AD=DE=EC일 때, ∠EBC의 크기를 구하시오.
22.5
24
25.5
26
5.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
다음 중 두 직각삼각형 ABC, DEF가
합동이 되는 경우가 아닌 것은?
AB=DE, AC=DF
AB=DE, ∠A=∠D
BC=EF, ∠B=∠E
BC=EF, AC=DF
∠A=∠D, ∠B=∠E
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