# What does hemisphere mean in math?

## What does hemisphere mean in math?

Definition of a Hemisphere Hence, a hemisphere is a 3D geometric shape that is half of a sphere with one side flat and the other side as a circular bowl. It is formed when a sphere is cut at the exact center along its diameter leaving behind two equal hemispheres.

**What is the hemisphere formula?**

Hemisphere Formulas in terms of radius r: Volume of a hemisphere: V = (2/3)πr.

### What does solid hemisphere mean?

In geometry, the hemisphere is a three-dimensional solid figure that is exactly half of the sphere. It can be said that if a sphere is divided into two equal parts, we will get two hemispheres.

**What does CSA of hemisphere mean?**

CSA = (1/2)4πr2. CSA = 2πr2. The curved surface area of a hemisphere = 2πr2 square units. The total surface area of the sphere = Curved surface area of sphere + base area. We know that the base of the hemisphere is circular in shape, use the area of the circle.

## What is hemisphere answer?

Any circle drawn around the Earth divides it into two equal halves called hemispheres. There are generally considered to be four hemispheres: Northern, Southern, Eastern, and Western.

**What is sphere and hemisphere?**

A circular shaped ball with a diameter or radius is called a sphere. A diameter which is a straight line through the center of a sphere and with the end points on the boundary is called its diameter. The section of the sphere by the plane is called a hemisphere.

### What is a hemisphere for Class 5?

A hemisphere is half of a sphere, or ball. People use the word to describe one half of Earth. Geographers, or people who study Earth, have divided the planet into two sets of two hemispheres. These are the Northern and Southern hemispheres and the Eastern and Western hemispheres.

**What is hemisphere Class 10 CBSE?**

A hemisphere is obtained when we cut the sphere into two equal halves. The total surface area of hemisphere will be equal to the sum of its curved surface area and the base area of hemisphere.

## What is hemisphere class 10th?

**What is difference between CSA and TSA of hemisphere?**

What is the Difference Between Total Surface Area of and Curved Surface Area of Hemisphere? Curved surface area of hemisphere is the area covered by the curved surface of a hemisphere, whereas total surface area is space covered by the curved surface and the base surface of the hemisphere in 2-D plane.

### What does sphere mean in hemisphere?

Hemisphere comes from the Greek, and combines the prefix hemi-, for “half,” with sphere, or “perfectly round ball.” We talk about the earth as divided at the equator into the northern and southern hemispheres (or divided at the prime meridian into eastern and western hemispheres).

**What is a hemisphere Class 9?**

## What is called hemisphere?

Any circle drawn around the Earth divides it into two equal halves called hemispheres. There are generally considered to be four hemispheres: Northern, Southern, Eastern, and Western. The Equator, or line of 0 degrees latitude, divides the Earth into the Northern and Southern hemispheres.

**Does hemisphere mean it is half of a sphere?**

Scientific definitions for hemisphere One half of a sphere, formed by a plane that passes through the center of the sphere. Either the northern or southern half of the Earth as divided by the equator, or the eastern or western half as divided by a meridian, especially the prime meridian.

### What is the difference between CSA and TSA of hemisphere?

**What is TSA and LSA of cube?**

The surface area of a cube with edge length as ‘a’ can be calculated using the following formulas, LSA of Cube = 4a2 square units and, TSA of Cube = 6a2 square units.