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Lindsay is out one night and notices that her body casts a shadow that is 1.8m long when she is standing 5mfrom the pole supporting a street light Lindsay is 1.5m tall.
1-what is the angle of elevation to the street light ?
2- how high is the street light

  • trig -

    The angle is given by her height, and shadow length. tanTheta= 1.5/1.8
    You can to the second by similar triangles

    h/1.5=1.8/(5+1.8)

    check that.

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