An escalator ascends 45 feet over a horizontal distance of 30 feet. what is the angle of elevation?

Question

13-05-2018
Mathematics

contestada

An escalator ascends 45 feet over a horizontal distance of 30 feet. what is the angle of elevation?

Respuesta :

Otras preguntas

The instrument panel in a car usually has a display in units of kilometres or miles per hour. The displayed value tells you which of the following properties of

What is the value of w? 5(9 − 3) = w • 9 – 5 • 3

There are 6 brown, 5 blue, and 2 orange marbles in a hat. What is the probability of picking two orange marbles in a row without returning the marbles back to t

The male to female ratio in Taiwan is 52 to 48. Write this ratio as a fraction in reduced form. Please show work. Thanks

Why was Jefferson’s election in 1800 considered a “republican revolution”?

how do you write a unit rate in 14 hours in 2 weeks

Ribosomal RNA is produced in the cytoplasm. true or false

help? use the rule to find the the first 10 terms in the pattern first term:7 rule:multiply by 2

Why do two resistors in parallel together contain less resistance than the same two resistors in series?

CastleRook CastleRook · Answer 1 · 2018-05-22T13:32:46+02:00

CastleRook CastleRook

22-05-2018

The angle of elevation will be given by:
cos θ=adjacent / hypotenuse
thus
adjacent=30 ft
hypotenuse=45 ft
thus
cos θ=30/45=2/3
hence
θ=arccos 2/3
θ=49.2°

Answer Link