11. ATV tower stands vertically on a bank.of a canal. From a point on the otherbank directly opposite the tower, theangle of elevation of the top of thetower is 600. From another point 20 maway from this point on the line joingthis point to the foot of the tower, theangle of elevation of the top of thetower is 30° (see Fig. 9.12). Find theheight of the tower and the width ofthe canal.←

11. ATV tower stands vertically on a bank.of a canal. From a point on

1.	11. ATV tower stands vertically on a bank.of a canal. From a point on the otherbank directly opposite the tower, theangle of elevation of the top of thetower is 600. From another point 20 maway from this point on the line joingthis point to the foot of the tower, theangle of elevation of the top of thetower is 30° (see Fig. 9.12). Find theheight of the tower and the width ofthe canal.←
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