18-09-2020
Mathematics

contestada

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

Respuesta :

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

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