k9p4 k9p4
  • 18-09-2020
  • Mathematics
contestada

If DM = 25, what is the value of r?
r+3
4r - 28
D
G
M

Respuesta :

mhanifa
mhanifa mhanifa
  • 26-09-2020

Answer:

  • r = 10

Step-by-step explanation:

Given

  • Segment DM = 25
  • DG = r + 3
  • GM = 4r - 28
  • r = ?

Solution

Since DM = DG + GM

  • r + 3 + 4r - 28 = 25
  • 5r - 25 = 25
  • 5r = 50
  • r = 10
Answer Link

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