The angles of elevation of the top of a tower frm two points a and b units away frm the base and in the same straight line with it are 60degree and 30degree. Prove that the height of the tower is rootab.
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let the height of the tower is h
tan60=h/a
h=a root3
tan30=h/b
h=b/root3
multiplying both the values of h
h square=ab
h=root ab
tan60=h/a
h=a root3
tan30=h/b
h=b/root3
multiplying both the values of h
h square=ab
h=root ab
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