According to OSHA, a ladder that is placed against a wall should make a 75.5 degree angle with the ground for optimal safety. To the nearest tenth of a foot, what is the maximum height that a 10-ft ladder can safely reach?(trigonometry)
3 answers
what is 10*sin75.5deg ?
9.7ft
Hypotenuse equals 10
Angle from ground to ladder: 75.5 degree
Height 9.7
Angle from ground to ladder: 75.5 degree
Height 9.7