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The design for a stage is shown below. The walking ramp, PS, is 12 inches in length. What is the length of the side RP of the stage?
 2 years ago
 2 years ago
The design for a stage is shown below. The walking ramp, PS, is 12 inches in length. What is the length of the side RP of the stage?
 2 years ago
 2 years ago

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fleauworldBest ResponseYou've already chosen the best response.0
sin(60) = 12/x => x= 12/sin(60)
 2 years ago

AsianDuckBest ResponseYou've already chosen the best response.0
You can use trigonometry for this. sin(60) = PS / RP PS is given as 12 in so RP = 12 / sin(60) = 13.9 in
 2 years ago

mcnalljjBest ResponseYou've already chosen the best response.0
Don't bother with sin, cos and tan for this stuff, it's a waste of time...just look up the relationships for special triangles. search 306090 and 454590...
 2 years ago

fortheloveofscienceBest ResponseYou've already chosen the best response.1
i concur above
 2 years ago

fortheloveofscienceBest ResponseYou've already chosen the best response.1
i believe trigo is a very important part of maths
 2 years ago

AsianDuckBest ResponseYou've already chosen the best response.0
Nah, cause they aren't always gonna give you those angles so you needa know how to use sin/cos/tan etc
 2 years ago
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