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Mathematics 8 Online
OpenStudy (anonymous):

help me

OpenStudy (anonymous):

OpenStudy (anonymous):

firs use distance formula to find ab length's THen just multiply by 2

OpenStudy (anonymous):

coordinates of a b x,y a -4,1 initial b 1,-1 final distance formula is sqrt(((1)-(-4))^2+((-1)-(1))^2)

OpenStudy (anonymous):

distance formula is sqrt(((1)-(-4))^2+((-1)-(1))^2) sqrt(5^2+(-2)^2) sqrt(25+4) sqrt(29) is distance so just multiply by 2 2*sqrt(29) answer a

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