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Geometry Angle of elevation/depression

Geometry Angle of elevation/depression-example-1

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Answer:

m∠ACB = 49.88°

Explanation:

From the figure attached,

Measure of wire AC attached to the top 'C' of the building BC = 340 m

Horizontal distance between the base 'B' of the building and point A = 260 m

Angle of depression = ∠ACB

By applying sine rule in the given triangle,

sin(∠ACB) =
\frac{\text{Opposite side}}{\text{Hypotenuse}}

=
(AB)/(BC)

=
(260)/(340)

m∠ACB =
\text{sin}^(-1)(764706)

= 49.88°

Geometry Angle of elevation/depression-example-1
User Candlejack
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