You have to be at your strongest when you’re feeling at your weakest.

 NCERT Exercise 3.1

2. Find the degree measures corresponding to the following radian measures $$\left ( \text{ use } \pi = \frac{22}{7} \right )$$
(i) $$\frac{11}{6}$$
(ii) $$-4$$
(iiii) $$\frac{5\pi}{3}$$
(iv) $$\frac{7\pi}{6}$$

3. A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second?

4. Find the degree measure of the angle subtended at the centre of a circle of radius 100 cm by an arc of length 22 cm $$\left ( \text{ use } \pi = \frac{22}{7} \right )$$ .