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ghernadez
30.04.2021 •
Mathematics
A door is fixed at the point O. Ben opened it by an angle of 30°. The area swept by the door was {25}{12}\pi\
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Ответ:
60°
Step-by-step explanation:
The angle y°;
;A straight line makes an angle of 180°so hence the angle y°
; 180° - 120° = 60°