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OpenStudy (anonymous):
Write the equation of a circle that has a center at the origin and a radius with a length of 4 inches
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OpenStudy (anonymous):
@M_lowreen help me plz
OpenStudy (bradely):
Standard equation of circle with center (0,0) is x^2 +y^2 =r^2 Here r is the radius Substitute r value to get equation Source: http://www.mathskey.com/question2answer/
OpenStudy (anonymous):
so it x2+y2=4
OpenStudy (bradely):
yes
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