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Homework Help Forum: trig
Posted by shelby on Tuesday, October 13, 2009 at 4:20pm.
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
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- trig - bobpursley, Tuesday, October 13, 2009 at 5:04pm
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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