Question

An escalator in the subway station has a vertical rise of 195 ft 9.5 in., and rises at an angle of 10.4 degrees. How long is the escalator? Round to the nearest foot.

Answer 1

we know
hyp=x
opposite =2349.5

Answer 2

keep going, you have it !

Answer 3

SOH CAH COA
so we use sin

Answer 4

yes !

Answer 5

\[(x)*\sin10.4=\frac{ 2349.5 }{ x }*(x)\]
\[\frac{ xsin10.4 }{\sin 10.4 }=\frac{ 2349.5}{\sin 10.4 }\]
\[x=\frac{ 2349.5 }{ \sin 10.4}\]
\[x \approx 1085'\]

Answer 6

that doesnt look right

Answer 7

1085 foot is correct ! good job !!

Answer 8

*feet

Answer 9

hooray t just didnt look right

Answer 10

you're becoming extremely effecient at trig rations ;) good :D

Answer 11

ahemm, wasn't 2349.5 in inches?

Answer 12

i converted it back to feet

Answer 13

bc the question wanted it in feet

Answer 14

I see, you have a good footing