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3 years ago

5

Question 3

1 answer:

tester [92]3 years ago

8 0

Answer:

18

Step-by-step explanation:

each exterior angle=180-160=20

number of sides=360/20=18

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$\bf \textit{area of a sector of a circle}\\\\
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\begin{cases}
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\end{cases}
\\\\\\
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