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Which point is on the circle centered at the origin with a radius of 5 units? distance formula: (2,4.79 ) (2,4.58 ) (2, 1) (2, 3)

User Nazik
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2 Answers

3 votes

Answer:


(2, √(21))

Explanation:

edgenuity 2020

the verified one was kinda long and confusing so i hope this helps!

User Jacob Macallan
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(2,4.58) is on the circle. The distance from original to point (x,y) is \sqrt(x^2+y^2). Since (x,y) is on the circle centered at the origin with radius 5, x^2+y^2=5^2=25. Among the choices given, only 2^2+4.58^2=5^2, so point (2, 4.58) is on the circle.
User Gebb
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