Question

can someone please explain how to do this?

Find the value of y to the nearest whole number

http://secure.starssuite.com/files/geo2010/Geom_11S_Fig15.jpg.

Answer 1

I can't see the file. I get an error.

Answer 2

@jennyjenjen ....... can u type the question out..... we cant see it here...

Answer 3

i will resend it

Answer 4

Find the value of y to the nearest whole number

http://secure.starssuite.com/files/geo2010/Geom_11S_Fig15.jpg

Answer 5

k u got a calculator?

Answer 6

yeah:)

Answer 7

k now u have to use the tan function......

Answer 8

so do tan(40) * 19

Answer 9

i got 15.94

Answer 10

You use cosine instead of tangent

Answer 11

k @jennyjenjen ...... jim thompson is right..... or if u did it my way.... nw use pythagorean theorem.......

Answer 12

Perhaps an explanation is in order.

Answer 13

For the 40-deg angle, the leg measuring 19 is the adjacent leg.
The side measuring y is the hypotenuse.
The trig function that relates the adjacent leg and the hypotenuse is the cosine.

Answer 14

\(\cos 40^o = \dfrac{adj}{hyp} \)

\(\cos 40^o = \dfrac{19}{y} \)

\(y = \dfrac{19}{\cos 40^o}\)