The area of a circle that is inscribed in a square of area $17\frac{9}{11}$ cm2 is:
Answer & explanation
Correct answer: option 3
We know that,
Area of circle = πr2
Area of square = side2
We can write $17\frac{9}{11}$ as = $\frac{196}{11}$
side2 = $\frac{196}{11}$
side = \(\frac{14}{ \sqrt {11}}\)
Here we can find that
The side of a square = Diameter of he square
radiius = \(\frac{14}{ \sqrt {11}}\) × \(\frac{1}{2}\) = \(\frac{7}{ \sqrt {11}}\)
Area of a circle = πr2 = \(\frac{22}{7}\) × (\(\frac{7}{ \sqrt {11}}\))2
Area of a circle = 14