a tv antenna of 8 ft height is located on the top of a house . from a point on the ground the angle of elevation to the top of the house is 17 degree and the angle of elevation to the top of antenna is 21.8 degree. fid the height of the house.
answer is 25.94
but how
Like this.
tan17=xy(1)tan21.8=x+8y(2)
solve simultaneously.
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