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Sector Area Calculator

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Calculate the area of sector for given value which can be in radian or in degree.

$$ \text {The area of the circle } = \pi \times radius^{2} $$ $$ \text {and the circumference circle} = 2 \pi \times radius$$ Now we can use of the angle is clearly delineated, therefore we can replace once around (2π) with the subtended angle and we get the formula we needed for the sector as follows: $$ Area = (\frac {Angle}{2}) \times radius^{2} $$ Let's take the example : radius is 7 cm and angle is 60^o, now we can convert the 60^o into radian value as follow:
Since 360^o in radian = 2π, therefore 60^o in radian = 60 * (2/360) = ¹_/3^π = 0.3333π.
= 0.33333 X 3.141592654 = 1.047619
We can enter the value in both form as degree (60) or as radian (1.047619).
The area of sector can be calculated using following formula $$ \text {Area of sector = } \pi r^{2} \cdot \frac {\theta^{o}}{360} $$ where π is 3.141592654, r is radius of thr circle and θ is angle in degree

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