A ladder makes a 60° angle with the ground and its foot is 4.6 m from the wall. Its length is
A ladder makes a 60° angle with the ground and its foot is 4.6 m from the wall. Its length is
Past Papers:
Lecturer — Past Paper MCQs
A: 4.6 m
B: 12.0 m
C: 9.2 m
D: 16.6 m
The ladder is the hypotenuse with adjacent = 4.6 m and cos 60° = 0.5. Length = 4.6 ÷ 0.5 = 9.2 m. Trigonometry links angles to side ratios in right triangles.