Jacklynngilliland
Jacklynngilliland Jacklynngilliland
  • 24-11-2020
  • Mathematics
contestada

Can someone help????

Can someone help class=

Respuesta :

Аноним Аноним
  • 24-11-2020

Answer:

BAE + ECB + ABC = 180 [ BEING INTERIOR TRIANGLE ANGLES SUM ]

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wolf1728
wolf1728 wolf1728
  • 24-11-2020

Answer:

180 = Angle ABC + BAE + ECB

180 = Angle ABC + 27 + 21

Angle ABC = 180 -27 -21

Angle ABC = 132

Angle ABC = Angle ADC (opposite angles of a parallelogram are equal).

Angle = 132

Step-by-step explanation:

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