To solve the equation of the of the sector of circle for s we shall have:
a=πr^2s/360
multiplying both sides by 360 we get:
360×a=(πr^2s/360)×360
360a=πr^2s
dividing both sides by πr^2
(360a)/πr^2=(πr^2s)/πr^2
this gives us:
s=(360a)/(πr^2)
Answer: s=(360a)/(πr^2)
