Calculate area of segment of circle

( Equivalent to: surface area of segment of circle )

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 Segment Of Circle

Example: What is the area of segment of circle with radius = 8 units and angle = 118 units?


area of segment of circle = (angle*π/360-sin(angle)/2)*(radius)2

By substituting the above given data in the previous function;

(i.e.) = (118*π/360-sin(118)/2)*(8)2

Answer is: units2.

Practice Question: Calculate area of segment of circle 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 = 13 units and angle = 113 units

( ii ) radius = 18 units and angle = 112 units

( iii ) radius = 11 units and angle = 118 units

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