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五年级数学 正多边形

Authored by Yeh LY

Mathematics

5th Grade

Used 19+ times

五年级数学 正多边形
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

那个多边形没有对角线?

三角形

正方形

等边三角形

正五边形

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

正五边形有多少条对角线?

2

5

9

10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

正六边形有多少个对称轴?

2

5

6

9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪一个图形是正七边形?

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

- 有八个对称轴
- 有20条对角线
- 每个内角的角度是135°

六边形

八边形

正方形

正八边形

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

正五边形有多少条直边?

3

4

5

6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪个正多边形的内角是直角?

等边三角形

正方形

正五边形

正四边形

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