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17-03-2020
Mathematics

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The arc length of an arc subtended by an angle measuring 13π18 radians is 18.4 inches.

What is the radius of the arc?

approximately 6.5 inches

approximately 7.3 inches

approximately 8.1 inches

approximately 12.6 inches

Respuesta :

6427440 6427440

31-03-2020

Answer:

8.1 inches

Step-by-step explanation:

Proportion of angle to the whole circle:

(13π/18)/2π=13/36

13/36=18.4/2rπ

13/36=9.2/rπ

13rπ=331.2

rπ=25.47

r=8.1

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