南一國中數學3上ch1-4

南一國中數學3上ch1-4

9th Grade

10 Qs

quiz-placeholder

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南一國中數學3上ch1-4

南一國中數學3上ch1-4

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

數學 南一

Used 7+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

DBE面積:△DEC面積=1:1

BCD面積:△BCE面積=1:1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知△ABC~△DEF,且△ABC周長是△DEF周長的3倍。若△DEF的面積為9平方公分,則△ABC面積為多少平方公分?

81

27

18

9

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知△ABC各邊的中點分別為DEF。若△DEF的面積為18平方公分,則△ABC的面積為多少平方公分?

54

62

72

84

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A:∠D=2:3

ABC的外角和:△DEF的外角和=2:3

ABC面積:△DEF的面積=2:3

ABC的周長:△DEF的周長 =2:3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

亨亨想要測量與地面垂直的樹的高度,他先測量該樹影子的長度為12.6公尺,且在同一時間拿一根長1.2公尺的標桿垂直地面,測得標桿影子的長度為0.9公尺,試問該樹的高度是多少公尺?

16.2

16.8

17.4

18

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1:2:3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

6

3

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