An equilateral triangle of side √3cm is inscribed in a circle. Find the radius of the circle.
An arc subtends an angle of 50º at the center of circle of radius 6cm. Calculate the area of the sector formed
The angle of a sector of a circle of diameter 8cm is 135°. Find the area of the sector [Take \(\pi\) = 22/7].
A bicycle wheel of radius 42cm is rolled over a distance 66 meters. How many revolutions does it make?[Take \(\pi = \frac{22}{7}\)]
