R. D. Sharma Solutions for Chapter: Areas Related to Circles, Exercise 6: MULTIPLE CHOICE QUESTIONS (MCQs)

In figure, the area of segment $\mathrm{ACB}$ is
          

In figure, the ratio of the areas of two sectors $S_1$ and $S_2$ is

If the area of the sector of the circle is $\frac{5}{18}$ of the area of the circle, then the sector angle is equal to

In the figure below, if $△\mathrm{ABC}$ is an equilateral triangle, then shaded area is equal to

The radius of a circle is $20 \mathrm{cm}$. It is divided into four parts of equal area by drawing three concentric circles inside it. Then, the radius of the largest of three concentric circles drawn is

The area of a sector whose perimeter is four times its radius$r$ units is

If a chord of a circle of radius $28 \mathrm{cm}$ makes an angle of $90°$ at the centre, then the area of the major segment is

If area of a circle inscribed in an equilateral triangle is $48\mathrm{\pi }$ $\mathrm{square} \mathrm{units}$, then perimeter of the triangle is