What is Hemisphere?
Hemisphere is a 3D shape which consist of a curved and a plane surface and resembles the shape of a bowl. Hemisphere means Half of Sphere. The word hemisphere is made up of two parts: hemi, which means half, and sphere, which is a mathematical 3D form in mathematics. A hemisphere is made by carefully cutting a sphere along its diameter, leaving two identical hemispheres behind. The flat side of the hemisphere is the base or face of the hemisphere. Hemispheres can be either hollow or solid.
Definition of Hemisphere
A hemisphere is a three-dimensional shape formed by cutting a sphere exactly in half along its diameter, resulting in two equal parts, with one side flat and the other forming a curved bowl. It represents half of a complete sphere.
Elements of a Hemisphere
Various Elements of Hemisphere are,
- A radius is a line that links a sphere’s centre to a point on its perimeter.
- The diameter is twice the length of the line segment that runs through the centre from one side of the border to the other.
- π is the sign for pi, which is the circumference-to-diameter ratio of a circle. π is around 3.14.
Hemisphere in Math
Hemisphere is a three-dimensional shape generated by dividing a sphere into two halves. It is a half-spherical curve combined with a planar circular area. Generally, a hemisphere refers to half of the Earth, such as the northern or southern hemispheres.
In geometry, however, a hemisphere is a 3D shape formed by splitting a sphere into two halves, each with one flat side. In everyday life, we come across various items that have the form of a hemisphere. For example, if we cut a cherry in half, we obtain a hemisphere-shaped cherry.
In this article, we’ll study more about hemispheres, their properties, formulas, and others in detail.
Table of Content
- What is Hemisphere?
- Properties of Hemisphere
- Volume of Hemisphere
- Hemisphere Surface Area
- Hollow Hemisphere
- Hemisphere Formulas
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