A lamppost, CAB, bent at point A after a storm. The tip of the lamppost touched the ground at point C, as shown below:

What is the height, in feet, of the portion AB of the lamppost?

20 by tan 55 degrees.

20 cos 55°

20 tan 55°

20 by cos 55 degrees.

Question

A lamppost, CAB, bent at point A after a storm. The tip of the lamppost touched the ground at point C, as shown below:


What is the height, in feet, of the portion AB of the lamppost?

 20 by tan 55 degrees.

 20 cos 55°

 20 tan 55°

 20 by cos 55 degrees.

gabylovesyou · Answer

attachment

gabylovesyou · Answer

@hartnn

hartnn · Answer

angle =55
adjacent side = 20
opposite side = AB

which ratio uses adjacent and opposite side?

hartnn · Answer

tan 55 = AB/20

so AB = 20 tan 55