Question

The coordinates of point T are (10,19). The midpoint of ST is (5,- 10). Find the coordinates of point S.

Answers

  1. Step-by-step explanation:
    the midpoint has actually the coordinates that are halfway between the x coordinates and halfway between the y coordinates.
    so, whatever we have to subtract from T to get to the midpoint, we have to subtract again to get to S.
    for x we get
    10 – 5 = 5
    so, we need to subtract another 5 for the x coordinate of S.
    that is then 5 – 5 = 0.
    for y we get
    19 – 29 = -10
    so, we need to subtract another 29 for the y coordinate of S.
    that is then -10 – 29 = -39
    S = (0, -39)

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