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LAW OF SINES

LAW OF SINES. SECTION 7-6. Jim Smith JCHS. A Car Runs Into A Telephone Pole And Knocks It Off Perpendicular To The Ground By 9°. If The Pole’s Shadow Is 57 Feet Long And The Angle Of Elevation From The Ground To The Top Of The Pole Is 48°, How Can We Find The Height Of The Pole?.

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LAW OF SINES

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  1. LAW OF SINES SECTION 7-6 Jim Smith JCHS

  2. A Car Runs Into A Telephone Pole And Knocks It Off Perpendicular To The Ground By 9°. If The Pole’s Shadow Is 57 Feet Long And The Angle Of Elevation From The Ground To The Top Of The Pole Is 48°, How Can We Find The Height Of The Pole?

  3. The Law Of Sines Allows Us To Work With Triangles Other Than Right Triangles. The Ratio Of The Sine Of An Angle And The Length Of The Side Opposite That Angle Are The Same For Each Angle.

  4. B a c A C b

  5. A 85° X Find x C B 70° 15

  6. Back To The Car And Telephone Pole A Car Runs Into A Telephone Pole And Knocks It Off Perpendicular To The Ground By 9°. If The Pole’s Shadow Is 57 Feet Long And The Angle Of Elevation From The Ground To The Top Of The Pole Is 48°, How Can We Find The Height Of The Pole?

  7. 9° 48° 57 Do you know how to solve it now?

  8. B 51° x 9° 81° 48° C A 57

  9. Let’s find an angle… Look at a right triangle first 22 10 x

  10. 3 5 x 50°

  11. 14 92° x 17

  12. SSA be careful | | |

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