A Ferris wheel has a diameter of 225 feet. If a passenger gets in a car and travels 38 feet when the wheel stops to let more passengers on, find the angle of rotation to the nearest angle of rotation to the nearest degree.

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Answer:

[tex]Angle\ of\ rotation \approx 19.35\textdegree[/tex]

Step-by-step explanation:

[tex]Diameter\ of\ the\ wheel=225\ feet\\\\Radius=\frac{diameter}{2}=\frac{225}{2}=112.5\ feet\\\\Central\ angle(radians)=\frac{arc\ length}{radius}\\\\Angle=\frac{38}{112.5}\\\\Angle=0.337778\ radians[/tex]

Convert the angle in degrees

[tex]\theta (degree)=\phi (radians)\times \frac{180}{\pi}[/tex]

[tex]Angle=0.337778\times \frac{180}{\pi}\\\\Angle\approx 19.35\textdegree[/tex]

When the wheel stops to let more passengers on, the angle of rotation is 19.35 degrees.

Given that,

A Ferris wheel has a diameter of 225 feet.

If a passenger gets in a car and travels 38 feet when the wheel stops to let more passengers on.

We have to determine

The angle of rotation.

According to the question,

A Ferris wheel has a diameter of 225 feet.

If a passenger gets in a car and travels 38 feet when the wheel stops to let more passengers on.

The angle of rotation is also measurable in degrees where 90 degrees occupies a full quadrant and in radians where 90 degrees is π/2.

The radius is of the wheel is,

[tex]\rm Radius = \dfrac{diameter}{2}\\\\Radius = \dfrac{225}{2}\\\\Radius = 112.5 \ feet[/tex]

The angle of rotation is determined by the following formula,

[tex]\rm Central \ angle = \dfrac{Arc \length}{radius}[/tex]

Substitute all the values in the formula

[tex]\rm Central \ angle = \dfrac{Arc \length}{radius}\\\\\rm Central \ angle = \dfrac{38}{112.5}\\\\Central \ angle = 0.33 \ radian[/tex]

Converting the angle into the degree,

[tex]\rm = 0.33 \times \dfrac{180}{\pi }\\\\=19.35 \ degree[/tex]

Hence, The angle of rotation is 19.35 degrees.

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