Calculate area of sphere
( Equivalent to: surface area of sphere )
In next fields, kindly type the dimensions of your shape in the text box under title [ Unknowns: ]. After you type your value, click "CALCULATE" button; the answer will be automatically calculated and displayed in the text box under title [ Answer: ]. Also, you will be able to animate your shape through buttons under the below figure.
How to Calculate Area Of Sphere
Example: What is the area of sphere with radius = 18 units?
As;
area of sphere = 4*π*(radius)2
By substituting the above given data in the previous function;
(i.e.) = 4*π*(18)2
Answer is: units2.
Practice Question: Calculate area of sphere for the following problems:
N.B.: After working out the answer of each of the next questions, click adjacent button of see the correct answer.
( i ) radius = 2 units
( ii ) radius = 8 units
( iii ) radius = 23 units
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References
