
相似な図形
Authored by Yu U
Mathematics
9th Grade
Used 1+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2つの四角形が相似であるとき,次の選択肢から正しいものを選びなさい。
ABCD ∽ EFGH
四角形ABCD ∽ 四角形EFGH
四角形ABCD ∽ 四角形HEFG
四角形ABCD ∽ 四角形HGFE
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
図において,△ABC∽△DEFであるとき,辺DFの長さを求めなさい。
7cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
左の図の二つの三角形は相似です。
当てはまる相似条件を選びなさい。
3組の辺の比がすべて等しい
2組の辺の比とその間の角がそれぞれ等しい
2組の角がそれぞれ等しい
3組の辺の比がそれぞれ等しい
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
12
14
16
18
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
左の図において,l//m//nであるとき,xの値を選びなさい。
12
14
16
18
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
左の図において,l//m//nであるとき,xの値を選びなさい。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
△ABCの辺AB,ACの中点をそれぞれM,Nとするとき,線分MNの長さを選びなさい。
20cm
15cm
10cm
5cm
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