yorkemma yorkemma

16-12-2020
Mathematics

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HELP
What is angle 1,2,3,4

HELP What is angle 1234 class=

Respuesta :

16-12-2020

Answer:

1. 51 degrees

2. 18 degrees

3. 123 degrees

4. 39 degrees

Step-by-step explanation:

angle 1 + 72 + 57 = 180 degrees

angle 2 + 72= 90 degrees

angle 3 + 57 = 180 degrees

angle 4 + 18 + 123 = 180 degrees

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