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Sagot :
B.25.12 units
Answer:
Solution given:
one point[tex](x_1,y_1)[/tex]=(-4,0)
another point [tex](x_2,y_2)=(4,0)[/tex]
Since distance between them is diameter.
so
d=[tex]\sqrt{(x_2-x_1)²+(y_2-y_1)²}[/tex]
=[tex]\sqrt{(4+4)²+(0-0)²}[/tex]
=8 units
now
radius is half of diameter so
radius =d/2=8/2=4 units
now
Circumference of circle =2πr=2*3.14*4=25.12 units
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