513縮放與相似
Quiz
•
Mathematics
•
9th Grade
•
Medium
洪榮忠 新湖國中
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13 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
如圖,將長方形 ABCD 縮放若干倍後,得到長方形 AEFG,則長方形 ABCD 是 長方形 AEFG 的幾倍縮放圖?
2倍
3倍
4倍
5倍
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(A)不變,仍為40度
(B)變小,為20度
(C)變大,為80度
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一五邊形的五邊長為4、8、6、7、5,將此五邊形縮放後和原圖形邊長5對應的新圖形邊長為7,則縮放後的五邊形周長為何?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知△ABC和△DEF互為縮放圖,且∠A、∠B、∠C的對應角分別是∠D、∠E、∠F,若∠C=36°,∠E=64°,則∠D的度數是多少?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知一矩形的長為12公分、寬為9公分,今將寬增加6公分,則長應增加多少公分才能使得新矩形與原矩形相似?
6
8
10
12
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
下列敘述何者不正確?
兩多邊形相似,則對應邊成比例
兩多邊形相似,則對應角相等
對應邊成比例的兩多邊形必相似
對應角相等的兩正多邊形必相似
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者不為兩個三角形相似的定理?
SSS
AA
SSA
SAS
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