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3 votes
20 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

20 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!-example-1

2 Answers

4 votes
x^+y^2=r^2 so the radio is 3
User Zaid Qureshi
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5 votes
x²+y²=r² ⇒ r²=9 ⇒ r=3

radius = 3.
User SoroushA
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