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7-2 對稱點、對稱邊和對稱角

7-2 對稱點、對稱邊和對稱角

Assessment

Presentation

Mathematics

5th Grade

Practice Problem

Medium

Created by

曾 郁翔

Used 1+ times

FREE Resource

22 Slides • 27 Questions

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Multiple Choice

點B和哪一個點疊合?

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A

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C

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D

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E

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Multiple Choice

點C和哪一個點疊合?

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A

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B

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D

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E

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Multiple Choice

AB\overline{AB} 和哪一條邊疊合?

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AE\overline{AE}

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BC\overline{BC}

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ED\overline{ED}

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CD\overline{CD}

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Multiple Choice

ED\overline{ED} 和哪一條邊疊合?

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AB\overline{AB}

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BC\overline{BC}

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ED\overline{ED}

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CD\overline{CD}

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Multiple Choice

1\angle1 和哪一個角疊合?

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1\angle1

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2\angle2

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3\angle3

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4\angle4

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5\angle5

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Multiple Choice

2\angle2 和哪一個角疊合?

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1\angle1

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2\angle2

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3\angle3

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4\angle4

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5\angle5

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Dropdown

像這樣沿著對稱軸摺疊後, 互相疊合的點B和點E,稱為​
;互相疊合的ABAE,稱為​
;互相疊合的∠ 1和∠4,稱為​

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Multiple Select

說說看,你發現了什麼?

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ABAE 一樣長

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BCED一樣長

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∠1和∠4一樣大

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∠2和∠3一樣大

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Multiple Choice

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將此圖形沿對稱軸對摺,CJHJ會重疊嗎?

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不會

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Multiple Choice

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用尺量量看,CH和對稱軸會互相垂直嗎?

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不會

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Multiple Choice

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CJHJ的長會相等嗎?

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不會

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Multiple Choice

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檢查看看,其他對稱點的連線和對稱軸,也會有這種關係嗎?

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不會

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兩個對稱點的連線和對稱軸互相​
,兩個對稱點到對稱軸的距離會​

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