aileen4
aileen4
23-07-2017
Mathematics
contestada
PLEASE HELP!!!!!!!!!!!!! 20 points
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Аноним
Аноним
23-07-2017
the center is at (0,0) so the equation will be like
x^2 + y^2 = r^2 where r = radius of the circle.
from the diagram you can see that r = 4
answer is x^2 + y^2 = 16
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irspow
irspow
23-07-2017
The standard equation of a circle is:
(x-h)^2+(y-k)^2=r^2, where (h,k) is the center of the circle and r is the radius.
The circle in the diagram is centered at (0,0) and has a radius of 4 so:
x^2+y^2=16
Answer Link
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