3 years ago

(25 POINTS) Find the coordinates of the missing endpoint if E is the midpoint of DF such that F(2,9) and

Mathematics

1 answer:

Natali5045456 [20]3 years ago

5 0

Answer:

(-5, 3)

Step-by-step explanation:

The coordinates of the midpoint are the averages of the endpoints.

-1.5 = (x + 2) / 2

-3 = x + 2

x = -5

6 = (y + 9) / 2

12 = y + 9

y = 3

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