Question

how do you find the second endpoint when given the midpoint and one of the endpoints? is there a formula or what?

Answer 1

you see midpoint is got by taking arithmetic mean of end points

Answer 2

so call the unknown endpoint as (x,y) if known endpoint is (a,b)

Answer 3

midpoint (b,c)=(x+a/2,y+b/2)

Answer 4

2b=x+a 2c=y+b

Answer 5

hellooooooo!!!

Answer 6

then you can find (x,y)

Answer 7

gt it ?

Answer 8

thank you @AravindG

Answer 9

yw :)