Calculate area of sector of circle
( Equivalent to: surface area of sector 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 Sector Of Circle
Example: What is the area of sector of circle with radius = 21 units and angle = 129 units?
As;
area of sector of circle = π*(radius)2*angle/360
By substituting the above given data in the previous function;
(i.e.) = π*(21)2*129/360
Answer is: units2.
Practice Question: Calculate area of sector 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 = 131 units
( ii ) radius = 12 units and angle = 100 units
( iii ) radius = 23 units and angle = 105 units
