The diagram shows a field, ABCD, on horizontal ground. (a) There is a vertical post at C. From B, the angle of elevation of the top of the post is 19º. Find the height of the post.​

The diagram shows a field ABCD on horizontal ground a There is a vertical post at C From B the angle of elevation of the top of the post is 19º Find the height class=

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Answer
36.8 units

tan (19) = h/BC
tan (19) x BC = h
tan (19) x 107 = h
h = 36.84 units