If you draw a line from the origin to (3,0) and another from there up to (3,4), you have a right triangle with the radius being the hypotenuse.
a2 + b2 = c2
9 + 16 = c2
c2 = 25
c = 5
The radius is 5.
Araham G.
asked • 05/15/18What is the radius of a circle whose center is the origin and contains point (3,4)
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