.ATVtower stands vertically on a bankof a canal. From a point on the otherbank directly opposite the tower, theangle of elevation of the top of thetower is 60. 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 the20mheight of the tower and the width ofthe canal.60Fig. 9.12

.ATVtower stands vertically on a bankof a canal. From a point on the o

1.	.ATVtower stands vertically on a bankof a canal. From a point on the otherbank directly opposite the tower, theangle of elevation of the top of thetower is 60. 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 the20mheight of the tower and the width ofthe canal.60Fig. 9.12
Answer»