gabriellamariep5w9fm
gabriellamariep5w9fm gabriellamariep5w9fm
  • 09-02-2020
  • Mathematics
contestada

Find the measure of AC.

Find the measure of AC class=

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PhillSwift
PhillSwift PhillSwift
  • 09-02-2020

Answer:

AC = 23 so it be D

Step-by-step explanation:

plug AC = DF ---> 21x-19 = 3x+17

sub. 3x by both sides --> 18x-19 = 17

add 19 to both sides --> 18x = 36

divide both sides by 18, x = 2

plug x back into 21x-19 to find AC

21(2) - 19

42 - 19 = 23

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