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mattishot
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A long ramp that leads to a building entrance is 45 feet. The stairs to the entrance have a vertical height of 6 feet. What is the angle of incline of the ramp?
 one year ago
 one year ago
mattishot Group Title
A long ramp that leads to a building entrance is 45 feet. The stairs to the entrance have a vertical height of 6 feet. What is the angle of incline of the ramp?
 one year ago
 one year ago

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tcarroll010 Group TitleBest ResponseYou've already chosen the best response.1
dw:1363223850112:dwIn this drawing you can identify the angle "x", the opposite side and the hypotenuse. The angle "x" is that angle whose sine is the measure of the length of opposite side over the measure of the length of the hypotenuse.
 one year ago

mattishot Group TitleBest ResponseYou've already chosen the best response.0
so sin 6/45?
 one year ago

tcarroll010 Group TitleBest ResponseYou've already chosen the best response.1
Actually, the angle is the arcsin 6/45. It's the inverse sine. You are given the sine. It's the angle is what you are looking for.
 one year ago

mattishot Group TitleBest ResponseYou've already chosen the best response.0
okay, i gotcha. i never know when to use what :/
 one year ago

tcarroll010 Group TitleBest ResponseYou've already chosen the best response.1
In other words:\[\sin x = \frac{ 6 }{ 45 }\]
 one year ago

tcarroll010 Group TitleBest ResponseYou've already chosen the best response.1
\[x = \sin^{1} \frac{ 6 }{ 45 }\]
 one year ago

tcarroll010 Group TitleBest ResponseYou've already chosen the best response.1
sines go with the angle. Arcsines (inverse sines) go with the ratio of the sides.
 one year ago

mattishot Group TitleBest ResponseYou've already chosen the best response.0
ohhh. alright.
 one year ago

tcarroll010 Group TitleBest ResponseYou've already chosen the best response.1
So, to calculate that, you set your calculator to "degrees", type in 6/45, then hit inverse sine.
 one year ago

tcarroll010 Group TitleBest ResponseYou've already chosen the best response.1
It will give back the angle whose sine is 6/45. Good luck in all of your studies and thx for the recognition! @mattishot
 one year ago

mattishot Group TitleBest ResponseYou've already chosen the best response.0
Thank you too!
 one year ago

tcarroll010 Group TitleBest ResponseYou've already chosen the best response.1
You're very welcome! Have a good rest of the day!
 one year ago

mattishot Group TitleBest ResponseYou've already chosen the best response.0
You as well.
 one year ago
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