Question

The angle of elevation of a ladder leaning against a wall is 45°. If the distance from the base of the ladder to the wall is 12 feet, how long is the ladder?

Answer 1

so we want to find x?

Answer 2

so do we use tanget?

Answer 3

does that help or should i explain further??

Answer 4

yes

Answer 5

so far, so the equation is : 45 = x/12 ?

Answer 6

no.....you should use cosine

Answer 7

whats the correct equation?

Answer 8

\[\cos 45^{0} = \frac{ 12 }{ x }\]

Answer 9

can you continue from there??

Answer 10

so do I do cos 45 times 12?

Answer 11

I got the first 1?

Answer 12

And how would you do this one?

Answer 13

no.....its rather 12/cos 45

Answer 14

I got the second?

Answer 15

so if you input that that on your calculator, what do you get??

Answer 16

16.97

Answer 17

yes....so that is it

Answer 18

what about this question Im confused?

Answer 19

can you please post it in case i can not help, someone else would

Answer 20

yes