3 years ago

If angle 10=30 degrees than angle 12 is how many degrees? Show your work

1 answer:

Alona [7]3 years ago

3 0

10= 30 degrees 30+90= 120
11= 60 degrees 180-120= 60
12= 60 degrees 180-120 = 60
13= 120 degrees 180-60= 120

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