The angle of elevation of the top of a tower from a point is 30 . On walking 40 m towards the tower the angle changes to 45 .Find the height of the tower?

The angle of elevation of the top of a tower from a point is 30 . On

1.	The angle of elevation of the top of a tower from a point is 30 . On walking 40 m towards the tower the angle changes to 45 .Find the height of the tower?
A.	40 ( 3+1)m
B.	30 ( 3+1)m
C.	20 ( 3+1)m
D.	10 ( 3+1)m
Answer» D. 10 ( 3+1)m

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The angle of elevation of the top of a tower from a point is 30 . On walking 40 m towards the tower the angle changes to 45 .Find the height of the tower?

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