bethanymolina19 bethanymolina19

22-08-2016
Mathematics

contestada

Find the length of the radius of the following circle.

x² + y² = 16

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dalendrk dalendrk

28-08-2016

The circle: (x - a)² + (y - b)² = r² where (a; b)-center; r-radius

x² + y² = 16 therefore r² = 16 ⇒ r = √16 = 4

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