Exercise Set 1.1(iv)

Fig. 1.3 shows Reiaan’s room with points OABC marking its corners. The x- and y-axes are marked in the figure. Point O is the origin.

Referring to Fig. 1.3, answer the following questions:

(iv) If $B_1$ $\left(0,1.5\right)$ and $B_2$ $\left(0,4\right)$ represent the ends of the bathroom door, is the bathroom door narrower or wider than the room door?