megan1137 megan1137
  • 04-12-2019
  • Mathematics
contestada

ABCD is a parallelogram find the measure of b

ABCD is a parallelogram find the measure of b class=

Respuesta :

Juliaoswald79 Juliaoswald79
  • 04-12-2019

Answer:

139

Step-by-step explanation:

(10x - 21)= (9x-5)

x=16

(9(16)-5)= 139

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