Question Number 174769 by Best1 last updated on 10/Aug/22
Answered by Ar Brandon last updated on 10/Aug/22
$$\mathrm{height}\:=\:\mathrm{60tan40}°+\mathrm{1}.\mathrm{8}\:\mathrm{m} \\ $$
Answered by Ar Brandon last updated on 10/Aug/22
$$\mathrm{61}.\:{B} \\ $$