Asked by Ethan
A ramp goes from a doorway of a building to the ground. The end of the ramp connected to the doorway is 2 feet above the ground. The horizontal distance from the bottom of the ramp to the building is 15 feet. What is the angle of elevation of the ramp to the nearest degree?
7deg
82deg
8deg
0deg
7deg
82deg
8deg
0deg
Answers
Answered by
mathhelper
slope of ramp = 2/15
Did you know that the slope of a line is the tan(angle line makes)
so tanθ = 2/15
θ = tan-inverse (2/15) or tan^-1 (2/15) = 7.5946... °
What do you think?
Did you know that the slope of a line is the tan(angle line makes)
so tanθ = 2/15
θ = tan-inverse (2/15) or tan^-1 (2/15) = 7.5946... °
What do you think?
Answered by
Mitch
I'm so confused
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