the length of median ad of triangle found by a(7,-3) b(5,-1) is
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BC is D( 5+3 2 , 3-1 2 ),i.e.,D(4,1)
Midpoint of
Midpoint of AC is E( 7+3 2 , -3-1 2 ),i.e.,E(5,-2)
AD= sqrt (7-4)^ 2 +(-3-1)^ 2 = sqrt 3^ 2 +(-4)^ 2 = sqrt 25 =5 ur .
BE= sqrt (5-5)^ 2 +(3+2)^ 2 = sqrt 0+25 = sqrt 25 =5 units.
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