sold at ( To clean the upstairs window oll side of a house, it is necessary to position the ladder so that it just touches the edge of the lean-to shed as shown in distances from O in metres, in the x and Figure 5.18. The coordinates represent y directions shown. Figure 5.18 (i) (ii) shed A ladder (1.5, 2) B O (2.5, 0) X Find the equation of the line of the ladder. Find the height of the point A reached by the top of the ladder. iii) Find the length of the ladder to the nearest centimetre.
