
中2数学 図形の調べ方 多角形の外角の和
Authored by Kodai Tsuruoka
Mathematics
8th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( )に当てはまる角度を選びなさい。
T6 多角形の外角の和
多角形の外角の和は( )である。
180°
360°
180°×n
180°×(n-2)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( )に当てはまる角度を選びなさい。
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
180°×(n-2)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
左の図において、∠xの大きさを求めなさい。
70°
60°
40°
360°
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
左の図で、∠xの大きさを求めなさい。
30°
80°
20°
130°
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
正九角形の1つの外角の大きさを求めなさい。
40°
50°
45°
30°
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
三十角形の外角の和は何°ですか。
180°
360°
300°
5040°
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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