Respuesta :
sine's rule
sine α = hypotenuse : opposite
opposite = height of the tree (h)
sin 60° = h : 40
h = 40 sin 60 =34.64 = 35 ft
sine's rule
sine α = hypotenuse : opposite
opposite = height of the tree (h)
sin 60° = h : 40
h = 40 sin 60 =34.64 = 35 ft