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南一國中數學3上ch3-2

南一國中數學3上ch3-2

Assessment

Flashcard

•

Mathematics

•

9th Grade

•

Hard

Created by

雅雁 許

Used 3+ times

FREE Resource

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10 questions

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1.

FLASHCARD QUESTION

Front

△ABC中, AB‾=AC‾\overline{AB}=\overline{AC} ,∠B=40°,O為△ABC的外心,則∠BOC=?

Back

160°

2.

FLASHCARD QUESTION

Front

△ABC中,∠A:∠B:∠C=3:4:5。若O是△ABC的外心,則∠AOB=?

Back

150°

3.

FLASHCARD QUESTION

Front

△ABC中,∠B=90°。若外心O到三頂點A、B、C的距離和為30公分,則 AC‾\overline{AC} 為多少公分?

Back

20

4.

FLASHCARD QUESTION

Front

下列敘述何者正確?

Back

以上皆對

5.

FLASHCARD QUESTION

Front

△ABC中, AB‾\overline{AB} =13 cm, BC‾\overline{BC} =5 cm, AC‾\overline{AC} =12 cm,I 是內心,請問△AIC的面積為多少cm2?

Back

12

6.

FLASHCARD QUESTION

Front

△ABC中,∠A=90°, AB‾\overline{AB} =8 m, AC‾\overline{AC} =6 m。若 I 為△ABC的內心,則△BIC的面積為多少m2?

Back

10

7.

FLASHCARD QUESTION

Front

△ABC的內心在三角形的內部,則△ABC會是何種三角形?

Back

以上都有可能

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