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20-07-2021
Mathematics

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URGENT!!! ABCD is parallelogram. If m

URGENT ABCD is parallelogram If m class=

Respuesta :

ankeetaregmi700 ankeetaregmi700

20-07-2021

Answer:

angle BAD= angle BCD = 100

then,

angle BCD + angle ECD = 180

100+ angle ECD = 180

angle ECD= 180-100 = 80

angle ECD =80

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