UPSKILL MATH PLUS
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Learn more1. Find the area of a sector of circle of radius \(21 \ cm\) and central angle \(120^\circ\).
Area of the sector \(=\) \(cm^2\)
2. In figure, a circle of radius \(7.5 \ cm\) is inscribed in a square. Find the area of the shaded region.
![YCIND_240408_6170_circle_A4.png](https://resources.cdn.yaclass.in/6b2df29e-6162-4f3a-bee6-ef327aa31cf1/YCIND2404086170circleA4w165.png)
Area of the shaded region \(=\) \(cm^2\)
[Note: Enter the answer upto three decimal places]