Two window washers, Samir and Becky, lean a ladder against the side of a building so that Samir can wash a window while Becky holds the ladder. The top of the ladder reaches the
window, which is 3 meters off the ground. The base of the ladder is 4 meters away from the
building. How long is the ladder?

5 meters.

Step-by-step explanation:

The side of the building and the ground makes an angle of 90°. This means that we don't need to use sine or cosine law to find for the other side.

We can just simply use the Pythagorean Theorem which is

the answer is su.k.my? ? co.kc

answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation: