the end points of diameter of circle are (2, 4) and (-3,-1) the radius of the circle is
a) 5√2/2 b) 5√2 c) 3√2 d) ± 5√2/2
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Step-by-step explanation:
end points of the diameter A(2,4) B(-3,-1)
diameter = distance of AB
SOBS
diameter ²=(2+3)²+(4+1)²= 5²+5²=25+25=50
diameter²=50
diameter= 5√2
2radius=diameter
radius=diameter/2
radius=5√2/2=5√2/√2*√2=5/√2
radius=5/√2
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