The angle of elevation of the top of a tower from a point 20 metre away from its base is 45o. The height of the tower is [MP PET 1984, 89]

The angle of elevation of the top of a tower from a point 20 met

1.	The angle of elevation of the top of a tower from a point 20 metre away from its base is 45o. The height of the tower is [MP PET 1984, 89]
A.	10 m
B.	20 m
C.	40 m
D.	\[20\sqrt{3}\] m
Answer» C. 40 m

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The angle of elevation of the top of a tower from a point 20 metre away from its base is 45o. The height of the tower is [MP PET 1984, 89]

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