1.

A TV tower stands verically on the bank of a canal. From a point on the other bank directly opposite the tower, the angle of elevation of the top of the tower is 60^(@). From another point 20 m away from this point on the line joining this point to the foot of the tower, the angle of elevation of the top of the tower is 30^(@). Find the height of the tower and the width of the canal.

Answer»


ANSWER :10 m


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