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sleet_krkn [62]
3 years ago
7

A merry-go-round has a radius of 18 feet. If a passenger gets on a

Mathematics
1 answer:
bearhunter [10]3 years ago
6 0

Answer:

The angle of rotation is 2.11 °

Step-by-step explanation:

Given as :

The radius of the round path = r = 18 feet

The length of the distance cover by wheel = l = 38 feet

Let The angle of rotation = Ф

Now, According to question

∵ length of the arc of a circle subtending an angle at center = Ф

So,

length of the distance cover by wheel = π × radius × \frac{\Theta }{180^{\circ}}

Since 180° = π radian

And π = 3.14

So, length of the distance cover by wheel = 180 °× radius ×  \frac{\Theta }{180^{\circ}}

i.e  l = r × Ф

Or,  Ф = \frac{l}{r}

Or,  Ф =  \frac{38 feet}{18 feet}

Or, Ф = 2.11 °

So, The angle of rotation =  Ф = 2.11 °

Hence, The angle of rotation is 2.11 °   Answer

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