八下 3-1 多邊形的內角與外角(重新佈題)

八下 3-1 多邊形的內角與外角(重新佈題)

8th Grade

35 Qs

quiz-placeholder

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八下 3-1 多邊形的內角與外角(重新佈題)

八下 3-1 多邊形的內角與外角(重新佈題)

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

老師 誠誠

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35 questions

Show all answers

1.

OPEN ENDED QUESTION

1 min • 1 pt

直角的 2 倍=    度。

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2.

OPEN ENDED QUESTION

1 min • 1 pt

平角的 13 倍=   度。

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3.

OPEN ENDED QUESTION

1 min • 1 pt

周角的一半=    度。

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4.

OPEN ENDED QUESTION

1 min • 1 pt

若∠A=34°,∠A 和∠B 互餘,且∠B 和∠C 也互餘,則∠B 和∠C 分別為多少度?

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5.

OPEN ENDED QUESTION

1 min • 1 pt

若一個角的餘角的 2 倍和它補角的 12 互為補角,則這個角的度數為何?

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6.

OPEN ENDED QUESTION

1 min • 1 pt

若∠A 和∠B 互補,∠A 和∠C 互餘,且∠B+∠C=140°,則∠A 為多少度?

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7.

OPEN ENDED QUESTION

1 min • 1 pt

如右圖,直線 L 與直線 M 相交形成四個角,∠1=(3x)°,∠2=(2x+5)°,∠3=(2y+25)°,∠4=(2y-5)°,分別求出 x、y 的值與∠1、∠2、∠3、∠4 的度數。

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