Question

An electrician has to repair an electric fault on a pole of height 5 m. he needs to reach a point 1.3 m below the top of the pole to undertake the repair work. what should be the length of the ladder that he should use which, when inclined at an angle of 60o with the ground, would enable him to reach the required position? also, find how far from the foot of the pole should he place the foot of the ladder.

Answer 1

$3.7 \times 2 \div \sqrt{3}$
is the length of ladder
$3.7 \div \sqrt{3}$
is the foot he should have to place the foot of the ladder