
比例式挑戰
Authored by 勤薇賴 勤薇賴
Mathematics
8th Grade

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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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