Question

two lower end of a ladder is 27 dm from the base of a pole its upper end just reaches the pole 120 dm above the ground to find the length of the ladder complete the following activity

Answer 1

Answer:

1. In triangle ABC∠B=90°

Step-by-step explanation:

1. By Pythagoras theorem

1. AC²=AB²+BC²

∴AC²=120²+27²

∴AC²=14400+729=15129

∴AC=√15129

∴AC=123

∴THE LENGHT OF THE LADDER IS 123DM