Asked by Mark
M(2.1, 5.7) is the midpoint of , in which A is the
point (1.7, 2.3). Find the coordinates of B.
point (1.7, 2.3). Find the coordinates of B.
Answers
Answered by
Reiny
let B be (x,y)
then (x+1.7)/2 = 2.1
x+1.7 = 4.2
x = 2.5
find y in the same way, and you have B
then (x+1.7)/2 = 2.1
x+1.7 = 4.2
x = 2.5
find y in the same way, and you have B
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