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eimsori [14]
3 years ago
9

Find the length of each arc. Round your answers to the nearest tenth. NO LINKS!! Part 1​

Mathematics
2 answers:
Hatshy [7]3 years ago
7 0
Answer:
5) 18.8 cm
7) 49.5 ft

Explanation:
The formula for arc length is S = θ * r

5) S = 18 cm * Pi/3 (60 degrees in radians)
S = 6 Pi cm
S ≈ 18.8 cm


7) S = 9 ft * 7 Pi / 4
S = 63 Pi ft / 4
S ≈ 49.5 ft
vesna_86 [32]3 years ago
3 0

Length of arc=r\theta

So

#1

\\ \rm\Rrightarrow Area=18(\pi/3)=6\pi cm

#2

\\ \rm\Rrightarrow Area=9(7\pi/4)=63\pi /4ft

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