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keke515
22.07.2019 •
Mathematics
How many degrees are there in a right angle?
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Ответ:
all right angles are 90 degrees
Ответ:
Ответ:
22.62
Step-by-step explanation:
Cos=12/13
12/13= 0.9231
Cos^-1(0.9231)=22.62