Question

A ladder leaning against a wall. Make as a angle 60 degrees with the horizontal. If the foot of the ladder is 2.5m away from the wall find the length of the ladder? ​

Answer 1

Answer:

5m

Step-by-step explanation:

Let us denote this with a triangle ABC.

AB is the ladder, B is the foot and A is the head

Given, BC = 2.5m and ∠B = 60°

 $sec B =\frac{AB}{BC}\\\\sec 60 = \frac{AB}{2.5}\\\\ AB = 2.5*2\\\\AB = 5m$

Answer 2

Answer:

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