马莫要从一块长方形软木片剪出一些大小相同的圆垫子。下图显示他在软木片上画的垫子。这块长方形软木片的面积是 800 cm2。以 cm 为单位,计算一个垫子的半径。
六年级数学:空间

Quiz
•
Mathematics
•
1st - 5th Grade
•
Hard
Kar Loong Hui
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
4
5
10
15
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
以下显示不完整的花圃平面图。该花圃的形状是一个正多边形。 这个花圃是什么形状?
正五边形
正六边形
正七边形
正八边形
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
凯盛画了一个直径是 2 cm 的圆。哪个是他画的圆?
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
下图显示一个喷泉的平面图。在这个喷泉的周围有一条宽 2 m 的人行道。哪项是喷泉和人行道的平面图?
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
下图显示一个圆。哪个部分是半径?
R
S
T
U
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
下图显示画在一个正方形里的圆。正方形的面积是 36 cm2。以 cm 为单位,计算圆的直径。
2
3
6
9
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
下图显示一名学生画圆需要用到的工具。这名学生需要画一个直径是 8 cm 的圆。他应该将两根铅笔的距离调整至多少 cm?
2
3
4
8
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