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比例式挑戰

Authored by 勤薇賴 勤薇賴

Mathematics

8th Grade

比例式挑戰
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果一个正方形的边长是4厘米,那么它的面积是多少平方厘米?

8

20

16

12

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果一个矩形的长是6厘米,宽是3厘米,那么它的面积是多少平方厘米?

12 square cm

15 square cm

9 square cm

18 square cm

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果一个三角形的底是5厘米,高是4厘米,那么它的面积是多少平方厘米?

20 square centimeters

15 square centimeters

8 square centimeters

10 square centimeters

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果一个圆的半径是2厘米,那么它的面积是多少平方厘米?(取π=3.14)

12.56

8.14

6.28

10.42

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果一个正方形的面积是16平方厘米,那么它的边长是多少厘米?

2

6

8

4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果一个矩形的面积是15平方厘米,长是5厘米,那么宽是多少厘米?

2

3

6

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果一个三角形的面积是12平方厘米,底是4厘米,那么高是多少厘米?

8

6

3

10

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