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Gre4nikov [31]
4 years ago
15

M(-1, 13) is the midpoint of segment RS. The coordinates of S are (4, 12). What are the coordinates of R? *

Mathematics
1 answer:
Cerrena [4.2K]4 years ago
8 0

Answer:

  • R = (-6, 14)

Step-by-step explanation:

<h3>Given </h3>
  • Segment RS and midpoint M(-1, 13)
  • S = (4, 12)
  • R = ?
<h3>Solution</h3>

<u>Midpoint formula</u>

  • x = (x1 + x2)/2 and  y = (y1 + y2)/2

<u>Coordinates of point R</u>

  • -1 = (4 + x)/2 ⇒ 4 + x = -2 ⇒ x = -6
  • 13 = (12 + y)/2 ⇒ 12 + y = 26 ⇒ y = 14
  • R = (-6, 14)
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