Asked by Anonymous
I am leaning a ladder against a wall. The ladder is 18 ft long, and I place the bottem of the ladder away from the wall, forming a 48° angle. How far away is the bottem of the ladder from the wall?
Answers
Answered by
Henry
A rt. triangle is formed:
X = hor. side = Dist. from bottom of ladder to wall.
Y = ver. side = dist. from gnd to top of ladder.
r = 18Ft = hyp.(Ladder).
A = 48 Deg. = Angle bet. gnd and bottom of ladder.
X = 18*cos48 = 12 Ft.
X = hor. side = Dist. from bottom of ladder to wall.
Y = ver. side = dist. from gnd to top of ladder.
r = 18Ft = hyp.(Ladder).
A = 48 Deg. = Angle bet. gnd and bottom of ladder.
X = 18*cos48 = 12 Ft.
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