Question

The angle of elevation of a tower at place a south of it is 30

Answer 1

Answer:

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Answer 2

Answer:

Draw a diagram. Let

a = distance from A to the base of the tower

b = distance from B to the base of the tower

h = height of the tower

Then we have

b^2 = a^2+50^2

h/b = tan18°

h/a = tan30°

Now you can find a,b and thus h.