A person is standing exactly 36 ft from a telephone pole. there is a 30° angle of elevation from the ground to the top of the pole. what is the height of the pole? 12 ft ft 18 ft ft
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Let in a right angled triangle ABC,
AC be the height of telephone pole,
/_ B = 30
and BC= 36 ft
to find height of the pole.
We Know that Tan B = Perpendicular/Base
= AC/BC
tan 30 = AC/36
0.577 = AC/36
AC = 20.722
So the height of the telephone = 20.722
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