What are the solutions to the quadractic equation 40-x2=0
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Answer:
Radius of the given circle is r = 2.
Step-by-step explanation:
Given equation of the circle is .
Now we need to find the radius of the given circle .
To find that let's compare with the formula of the circle with is , where r is the radius.
We get
take square root of both sides.
Hence radius of the given circle is r = 2.