A ladder 20 feet long leans against the side of a house. Find the height from the top of the ladder to the ground if the angle if the angle of elevation of the ladder is 80°
3 answers
review the definition of sin(x)
20*cos80
= 3.47
= 3.47
ANS: 19.7
sin(80) = o/20
o = 19.7
sin(80) = o/20
o = 19.7