The hour hand from 6 o'clock to 12 o'clock revolves () degrees around the center of the clock face
The clock rotates (180) degrees around the center of the clock face from 6:00 to 12:00
RELATED INFORMATIONS
- 1. On the clock face, if the minute hand rotates one circle, then the degree of the clockwise rotation is______ .
- 2. How many degrees does the minute hand rotate on the clock face
- 3. On the clock face, if the minute hand rotates for one circle, then the angle of the clockwise rotation is () degrees
- 4. On the clock face, if the minute hand rotates for one circle, how many degrees does the hour hand rotate?
- 5. On the clock face, if the minute hand rotates one circle, then the angle of the clockwise rotation is () degrees
- 6. From 3 p.m. to 9 p.m., the clock rotates () degrees clockwise
- 7. From 3 o'clock, after the clockwise rotation of 450 degrees, when does the clockwise point?
- 8. From 3:00 p.m. to 6:00 p.m., the hour hand rotates () degrees clockwise, and the hour hand walks (-) circles
- 9. From 3:00 p.m. to 9:00 p.m., the clock rotates () degrees clockwise
- 10. How many degrees can the minute hand of the clock coincide with the hour hand when it is rotated clockwise from 4 o'clock It is better to write out the equations and the analysis process
- 11. After the minute hand revolves around the center of the clock face for 3 circles, the hour hand revolves around the center of the clock face ()
- 12. The minute hand on the clock goes 60 times faster than the hour hand______ .
- 13. Judgment question: the ratio of the rotation speed of the hour hand and minute hand on the clock face is 1:60
- 14. On the clock, turn the clock clockwise from the number "12" to "6" for + 1 / 2 cycle, So, what is the number of the clock face that the hour hand refers to after setting the hour hand from "12" for - 1 / 4 week?
- 15. When the clock face rotates 40 ° clockwise, it is recorded as + 40 ° and what does - 40 ° mean
- 16. A round clock face, clockwise from "12" clockwise rotation () to "1"; clockwise from "3" clockwise rotation 120 degrees to ()
- 17. Square ABCD with side length 4, where point a is at the origin, point B is at the positive half axis of X axis, and point D is at the negative half axis of Y axis, what are the coordinates of the four vertices? Such as the title
- 18. The vertex a of square ABCD coincides with the origin of coordinates, and the coordinate of vertex B is (0,4), then the coordinate of vertex C is ()
- 19. Given a (0,4), B (3,0), P (1,0), in the rectangular coordinate system, O is the origin, and the triangle AOB rotates m counterclockwise around point P (M is greater than 0) Less than 180, get the triangle a1ob1, make the point B1 fall on the edge of the triangle AOB, calculate the coordinates of point B1
- 20. As shown in the figure, in the plane rectangular coordinate system, ob is on the x-axis, ∠ ABO = 90 ° and the coordinates of point a are (1,2). Rotate △ AOB 90 ° counterclockwise around point a, and the corresponding point C of point O just falls on a branch of hyperbola y = KX. (1) find the analytic formula of hyperbola. (2) the intersection of the straight line passing through point c y = - x + B and the hyperbola is e, and find the coordinates of point E and the area of △ EOC