State the kind of angle, in each case, formed between the following directions: (i) East and West$\qquad$$\qquad$$\quad$ (ii) East and North (iii) North and North-East $\quad$(iv) North and South-East
Answer
(i) Straight angle (ii) Right angle (iii) Acute angle (iv) Obtuse angle
Mark any two points $P$ and $Q$ in your note book and draw a line passing through the points. How many lines can you draw passing through both the points?