The distance from the center of a circle to the outside, also half of the diameter
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What is radius?
什么是半径?
The Diameter of this circle is 5
这个圆的直径是5
Radius 2.5
半径 2.5
The radius of this is 5
半径是 5
Diameter 10
直径 10
The diameter for this circle is 10
这个圆的直径是 10
Circumference 31.4
圆周 31.4
The radius of this circle is 2
这个圆的半径是 2
Area 12.56
区域 12.56
The longest chord in a circle
圆中最长的弦
What is the Diameter?
直径是多少?
The diameter is 12
直径为12
Radius 6
半径6
The radius of this circle is 2.5
半径是 2.5
Diameter 5
直径 5
The diameter for this circle is 13
这个圆的直径是 13
Circumference 40.82
圆周 40.82
The radius of this circle is 3
这个圆的半径是 3
Area 28.26
区域 28.26
A line through the circle.
一条穿过圆圈的线。
What is a chord?
什么是和弦?
The diameter of this circle is 27
这个圆的直径是27
What is 13.5
半径13.5
The circumference of this circle is 15.7
这个圆的周长是 15.7
Diameter 5
直径 5
The diameter of this circle is 25
这个圆的直径是 25
Circumference 78.5
圆周 78.5
The radius of this circle is 21
这个圆的半径是 21
Area 1384.74
区域 1384.74
The total amount of space inside of a circle
圆内的总空间量
What is the area?
面积是多少?
The diameter of this circle is 437
这个圆的直径是 437
Radius 218.5
半径 218.5
The circumference of this circle is 18.84
这个圆的周长是 18.84
Diameter 6
直径 6
The radius for this circle is 45
这个圆的半径是 45
Circumference 282.6
圆周 282.6
The radius of this circle is 52.4
这个圆的半径是 52.4
Area 8621.6864
区域 8621.6864
3.14 or 22/7
What is pi?
π 是什么?
The diameter of this circle is 0.325
这个圆的直径是 0.325
Radius 0.1625
半径 0.1625
The diameter of this circle is 194.68
这个圆的直径是 194.68
Diameter 62
直径 62
The Diameter for this circle is 3285
这个圆的直径是 3285
Circumference 10314.9
圆周 10314.9
The radius of this circle is 6955
这个圆的半径是 6955
Area 151888158.5
区域 151888158.5