
中2数学 図形の性質と証明 逆・正三角形
Quiz
•
Mathematics
•
8th Grade
•
Medium
Kodai Tsuruoka
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
次のことがらの逆を答えなさい。
「△ABCでAB=ACならば、∠B=∠Cである。」
AB=BC
ならば
∠B=∠C
AC=AB
ならば
∠C=∠B
∠B=∠C
ならば
AB=AC
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
あることがらが正しいと、必ずその逆も正しくなる。
〇か×か
〇
×
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
あることがらの仮定に当てはまるもののうち、
結論が成り立たない場合の例のことを何というか。
凡例
反例
礼
不成立例
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
左の図の正三角形ABCで
辺ABの長さを求めなさい。(単位不要)
6
12
3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
左の図の正三角形ABCで
∠DACの大きさを求めなさい。(単位不要)
120
60
90
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