Question

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

Answer 1

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