The diagram below shows the map of a mine.

a right triangle ABC is drawn. Angle ABC measures 90 degrees. Length of AB is 4 km. The angle the tip of the mine shaft makes with the ground above is 18 degrees.

How deep is the mine shaft?

Question

The diagram below shows the map of a mine. 

a right triangle ABC is drawn. Angle ABC measures 90 degrees. Length of AB is 4 km. The angle the tip of the mine shaft makes with the ground above is 18 degrees. 

How deep is the mine shaft?

anonymous · Answer

@piglet9

anonymous · Answer

@piglet@piglet9 @piglet9 @piglet9 @piglet9 @piglet9

anonymous · Answer

@satellite73 @piglet9

anonymous · Answer

@piglet9 @piglet9

anonymous · Answer

TOA

opposite/adjacent

tan(18) = x/4
4tan(18) = x

anonymous · Answer

so the answer would be c from what i understand?

anonymous · Answer

yeah XD

anonymous · Answer

could you please help me with two more questions, you are a lifesaver <3

anonymous · Answer

I'm sorry I have to go study for exam tomorrow :/

anonymous · Answer

oh okay, good luck and thanks for ur help