I1. A TV ower 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 the pAtower is 30° (see Fig. 9.12). Find the20mCheight of the tower and the width ofthe canal.Fig. 9.12

I1. A TV ower stands vertically on a bankof a canal. From a point on t

1.	I1. A TV ower 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 the pAtower is 30° (see Fig. 9.12). Find the20mCheight of the tower and the width ofthe canal.Fig. 9.12
Answer» good