A12 meter tall building has a ladder leaning against it. the bottom of the ladder is situated 5 meter from the building. how long is the ladder?

The ladder is 13 meter long.

Step-by-step explanation:

Given:

Height of the building is 12 meter and the distance of the ladder from the bottom of the building is 5 meter.

Now, to find how long is the ladder, we use pythagoras theorem:

Let the height of the ladder (hypotenuse) be , height of the building (leg1) = 12 meter and distance of ladder from the bottom of the building (Leg2) = 5 meter.

Using pythagoras theorem:

Using square root both the sides:

Height of the ladder = 13 meter.

Therefore, the ladder is 13 meter long.

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