Brilio.net – For some people, balls may be just toys or playing tools in various sports such as football, basketball and other sports. But in mathematics, balls have their own meaning which can be a learning method.

Well, in general, a ball is a three-dimensional space shape that is composed of a flat shape in the shape of a circle. Inside a spherical circle there are radii of the same length and centered at one point.

Because the ball only has one side that is the same on each surface, it can be concluded that the ball only has one side. In this article we will explore how to calculate the complete radius of a ball by solving the problem.

The following is how to calculate the radius of a ball, complete with meaning, elements and examples of working on the problem, reported by brilio.net from various sources on Monday (18/9).

## Understanding the radius of a ball

photo: Special

The radius of a ball is the distance from the center of the ball to a point on the surface of the ball. The radius of the ball is usually denoted by the letter r. The radius of the ball is always the same for every point on the surface of the ball. The radius of the ball is also half of the diameter of the ball, which is the distance between two opposite points on the surface of the ball that pass through the center point.

The formula for calculating the radius of a ball is:

r = √V/4/3π

Information:

r is the radius of the ball

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π (pi) is a mathematical constant that approximates 3.14159 (3.14).

As a flat geometric shape, the ball also has its own characteristics. The characteristics of the ball are as follows:

photo: Special

– A ball is a three-dimensional shape formed from a set of points that are the same distance from a central point.

– The ball only has one side which is a curved surface.

– The ball has no edges or corners.

– A ball has a radius (r) which is the distance between the center point and the surface of the ball.

– The ball has a diameter (d) which is the distance between two opposite points on the surface of the ball, the diameter of the ball is equal to twice the radius of the ball, namely d = 2r

– The ball has a surface area (L) which can be calculated with the formula L = 4πr², where π is a mathematical constant with a value of approximately 3.14 or 22/7.

– The ball has a volume (V) which can be calculated with the formula V = 4/3πr³.

(brl/mal)

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