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MaryJSmith

  • 4 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?

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  1. MaryJSmith
    • 4 years ago
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  2. fleauworld
    • 4 years ago
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    sin(60) = 12/x => x= 12/sin(60)

  3. AsianDuck
    • 4 years ago
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    You can use trigonometry for this. sin(60) = PS / RP PS is given as 12 in so RP = 12 / sin(60) = 13.9 in

  4. mcnalljj
    • 4 years ago
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    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 30-60-90 and 45-45-90...

  5. fortheloveofscience
    • 4 years ago
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    i concur above

  6. fortheloveofscience
    • 4 years ago
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    i believe trigo is a very important part of maths

  7. AsianDuck
    • 4 years ago
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    Nah, cause they aren't always gonna give you those angles so you needa know how to use sin/cos/tan etc

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