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Find the length s of the circular arc. (Assume r = 9 and = 128°.)

Find the length s of the circular arc. (Assume r = 9 and = 128°.)-example-1

1 Answer

5 votes

Answer:

16.178m

Explanation:

Central angle (θ)

128deg

Radius (r)

9m

Diameter

18m

Sector area (A)

90.4779m²

Chord length (c)

16.178m

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