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3 years ago

6

S denotes the length of the arc of a circle of radius r subtended by the central angle theta. Find the missing quantity. Thetaeq

ualsone fourth radian, sequals3 feet, requals?

1 answer:

serious [3.7K]3 years ago

6 0

The appropriate relation is ...

... s = rθ

Filling in the given information, you get ...

... 3 ft = r·(1/4)

Multiply by 4 and you find r:

... 12 ft = r

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2 years ago

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Step-by-step explanation:

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To find the circumference of the circle we must know this formula first :

$\\{ \longrightarrow \qquad{ \underline {\boxed{ \pmb{ \mathfrak{ \: Circumference_{(circle)}= 2 \pi r}}}}}} \: \: \bigstar \\ \\$

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Now substituting the values in the formula :

$\\{ \longrightarrow \qquad{ {{\sf{{ \: Circumference_{(circle)}= 2 \times 3.14 \times 8}}}}}} \: \: \\ \\$

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