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o.. A TV tuwer stands vertically on a hask of cona Frmpaint on the other bedirectly opposite the twwer, the angke of eevatio of he u of the wwer sFrom another point 20m away frem this point on thr แw psising this paint thefout of the tower, the angle of evat of the top of the swr in 30" Fad theheight of the tower snd the widih of the canal

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