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danadowns

  • 2 years ago

Solve triangle PQR, given:, q = 38.2, and r = 39.6

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  1. surdawi
    • 2 years ago
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    ok

  2. surdawi
    • 2 years ago
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    do u have anything else? or is this question complete?

  3. ZakaullahUET
    • 2 years ago
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    u need a third known element too, i-e a side or an angle

  4. danadowns
    • 2 years ago
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    the angle is Q=71 degrees

  5. surdawi
    • 2 years ago
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    \[\frac{ q }{ \sin(Q) }=\frac{ p }{ \sin(P) }=\frac{ r }{ \sin(R) }\] \[\frac{ q }{ \sin(Q) }=\frac{ r }{ \sin(R) }\] \[\frac{ 38.2 }{ \sin(71) }=\frac{ 39.6}{ \sin(R) }\] solve for R

  6. danadowns
    • 2 years ago
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    so do I cross multiply?

  7. surdawi
    • 2 years ago
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    yes

  8. danadowns
    • 2 years ago
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    sorry how do you cross multiply with this case?

  9. surdawi
    • 2 years ago
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    |dw:1354243835590:dw|

  10. danadowns
    • 2 years ago
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    ok thank you so much

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