A ladder makes an angle of 60º with the ground when placed against a wall. If the foot of the ladder is 2 m away from the wall, then the length of the ladder (in metres) is

Question

KollegeApply · Accepted Answer

Suppose AC is the ladder and BC is the distance of the foot of the ladder from the wall. It is given that, BC = 2 m and \angleACB = $60^\circ$. In right ∆ABC, \cos$60^\circ$ = BC/AC \Rightarrow $\frac{1}{2}$ = 2/AC \Rightarrow AC = 4 m [Solution diagram: 63605_solution_1.png]

AChoose Your Answer