Hemisphere equation

What is the formula for a hemisphere?

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

What is TSA of hemisphere?

TSA of hemisphere is half of sphere plus the area of circle formed on top. Hence, TSA of hemisphere is 2πr 2 + πr 2 = 3πr 2.

What is a hemisphere in math?

more In geometry it is an exact half of a sphere. It also refers to half of the Earth, such as the “Northern Hemisphere” (that part of the Earth north of the equator), or “Western Hemisphere” (the half of the Earth west of a line running from the North Pole through England to the South Pole, includes the Americas)

What is CSA and TSA of sphere?

Surface area (TSA) = CSA = 4πr 2. Hemisphere : Curved surface area(CSA) = 2 π r 2. Total surface area = TSA = 3 π r 2.

What do you mean by Hemisphere?

noun. (often initial capital letter) half of the terrestrial globe or celestial sphere, especially one of the halves into which the earth is divided. Compare Eastern Hemisphere, Western Hemisphere, Northern Hemisphere, Southern Hemisphere. a map or projection representing one of these halves.

What are the properties of hemisphere?


Properties of Hemisphere
Centroid from yz-plane CxCentroid from zx-plane Cy
Surface Area Lateral Area + Base AreaVolume
Mass Moment of Inertia about the x axis IxxMass Moment of Inertia about the y axis Iyy
Radius of Gyration about the x axis kxxRadius of Gyration about the y axis kyy

Is surface area a TSA or CSA?

When they say surface area it means csa . no! when they say i surface area it is not hte curved surface area. most of the time if the given solid or article is csa they mention it as CSA and smetimes for tsa they dnt menton it they just say it is to find surface area.

How many faces does a hemisphere have?

1 face

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What are the 4 hemispheres?

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 an example of Hemisphere?

Hemisphere is defined as half of the world, globe or brain. An example of hemisphere is the southern part of the world. An example of hemisphere is the left side of the brain. (astronomy, astrology) Half of the celestial sphere, as divided by either the ecliptic or the celestial equator [from 14th c.].

Why is it called 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 the CSA of cylinder?

Total Surface Area- It is the area of the curved surface as well as the bases. Formula for calculating the Curved Surface Area (C.S.A.)- Consider a cylinder having a height ‘h’ and base radius ‘r’. The curved surface area of a cylinder is given as- C.S.A.=

What is the TSA of cylinder?

TSA = 2πr (h + r) This is the formula for the total surface area of a given cylinder whose radius is r and height is h.

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