Q. 11

The area of a minor sector of a circle is 3.85 cm2 and the measure of its central angle is 36°. Find the radius of the circle.

Answer :

As we know that,



Given area of sector, A = 3.85 sq.cm


Radius of circle= r


Central angle, θ = 36°



On substituting the values, we get,


r = 3.5 cm


Radius of circle is 3.5 cm


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