Question

The picture shows a barn door:

A barn door has two parallel bars, each of length 4 feet. A support AB runs across the diagonal between the two parallel bars. The angle made by the diagonal with the parallel bar on top is 45 degrees.

What is the distance BC between the two horizontal parallel bars?

4 divided by cos 45 degrees
4 sin 45°
4 divided by tan 45 degrees
4 tan 45°

Answer 1

@shadow13

Answer 2

@ashleysykess

Answer 3

@Owlcoffee

Answer 4

@misssunshinexxoxo

Answer 5

tan(angle) = opp/adj

tan(45) = x/4

4*tan(45) = x

x = 4*tan(45)

Choice D

Answer 6

Wow you are a genius! :D