Pidge351idn
Answered

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The top of a 2.7m ladder, leaning against a wall, reaches a height of 1.6m. What angle, to the nearest degree, does the ladder make with the ?

Sagot :

IGreenidn
So the hypotenuse is 2.7, and the opposite is 1.6.

We can use sine to find the angle.

sin(x) = (1.6)/(2.7)

Simplify:

sin(x) = 0.592592593

Plug this in your calculator to find the inverse of sine:

x = 36.34120312

So the angle is 36 degrees.
Hippalectryonidn
(see the figure I uploaded)

[tex]\sin(\beta)=1.6/2.7\Rightarrow \beta=\arcsin(1.6/2.7)\approx36.34^\circ[/tex]
View image Hippalectryon
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