What angle is four ninths of the circumference and how many degrees is it

RELATED INFORMATIONS

• 1. A flat angle has no vertex, a perimeter is a ray, and it has only one edge______ (judge right or wrong)
• 2. 365 days a year, how many years, months, weeks, days, hours, minutes and seconds?
• 3. How many years is 40 million hours
• 4. A year 365 days, 24 hours a day, 60 minutes an hour, 60 seconds a minute, how many seconds?
• 5. How did ancient people know 365 days a year?
• 6. What is 460 divided by 2
• 7. How much is (- 1) divided by (- 1, two-thirds) multiplied by one-third?
• 8. Who can tell me the total number of days in 2006, 365 or 366?
• 9. Figure guessing idiom. 12345609 () 1256789 () 510 () 1.12345609( ) 2.1256789( ) 3 1+2+3( ) 4.333 555( ) 5.3.5( ) 6.5 10( )
• 10. 3:4=(12)/16=21÷(28)=6+( )/8+64=75%
• 11. If α and β are complementary angles, α and γ are complementary angles, and the sum of β and γ is equal to 1 / 3 of the circumference Then the degree of ∠ α ∠ β ∠ γ is in the order of?
• 12. The circumference is a ray______ ．
• 13. What is the number of 360 divided into 1:2:3:4:5:6:7:8:9? It's not divided equally, it's distributed according to the above proportion
• 14. How many hours is 360 minutes
• 15. The circumference of a circle is 360 degrees. Why should we define a circle as 360 instead of other numbers? Does it have a background and serve physics,
• 16. I'm a teacher. What's the angle between 180 degrees and 360 degrees
• 17. Greenwich mean time is 02:00 a.m. what time is Beijing time? (24 hours, not 12 hours)
• 18. How many radians does 53 degrees equal? How many radians does 37 degrees equal?
• 19. How many degrees is 1.4 and how many degrees is 2 / 3,
• 20. _ How many radians does 270 ° equal