Question

A 30-foot ladder leans against a building. If cos B = 0.2, what is the value of x?

Answer 1

You have not given with the picture..
you will have to use the definition of cosine

Answer 2

there

Answer 3

what is cosine ratio?

Answer 4

adjacent/ hypotenuse

Answer 5

what is your hypotenuse?

Answer 6

the ladder

Answer 7

im assuming 30?

Answer 8

yes. it is 30
so,
\[\cos B={x\over 30}\]

Answer 9

er, dont know

Answer 10

look at your question once more

Answer 11

0.2 ?

Answer 12

yes

Answer 13

plug it in and solve for "x"

Answer 14

6

Answer 15

yes

Answer 16

thanks [:

Answer 17

o-o