
中2数学 図形の性質 多角形の内角の和
Quiz
•
Mathematics
•
8th Grade
•
Hard
Kodai Tsuruoka
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
三角形の内角の和は180°である。
〇か×。
〇
×
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( )に当てはまる式を選びなさい。
T5 多角形の内角の和
n角形の内角の和は( )である。
180°
360°
180°×(n-2)
180°×n
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
左の図の七角形において、1つの頂点からひいた対角線によって、
いくつの三角形に分けられますか。
7つ
5つ
6つ
8つ
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
七角形の内角の和を求めなさい。
1080°
720°
540°
900°
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
八角形の内角の和を求めなさい。
1260°
900°
720°
1080°
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
正八角形の1つの内角の大きさを求めなさい。
120°
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
内角の和が1440°になる多角形は何角形であるか。
六角形
十角形
十二角形
八角形
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