As shown in the figure, the sum of the five internal angles of the pentagram ABCDE is ∠ a + ∠ B + ∠ C + ∠ D + ∠ E=______ Degree
As shown in the figure, ∵ 1 = ∵ a + ∵ C, ∵ 2 = ∵ B + ∵ D, ∵ 1 + ∵ C + ∵ B + ∵ D, ∵ 1 + ∵ 2 + ∵ e = 180 °,
RELATED INFORMATIONS
- 1. Verification: the sum of the internal angles of a triangle is equal to 180 ° and there must be a process of graph writing, verification and proof
- 2. Is it possible that the sum of internal angles of a triangle is not equal to 180 degrees? Please leave a diagram
- 3. The proposition "the sum of the internal angles of a triangle is equal to 180 degrees" is () A. False proposition B. definition C. theorem D. axiom
- 4. The proposition "the sum of the internal angles of a triangle is equal to 180 degrees" is rewritten as "if"______ So______ .
- 5. For your help, I want to prove that "the sum of the internal angles of a triangle is 180 degrees." Please see my webpage. It's a proof of using a triangle with auxiliary lines to find the sum of internal angles
- 6. How much is 5 / 14 times 3.5 plus 3 / 4 divided by 16.2?
- 7. What is three times eight? Equal to what?
- 8. Two fifths times what equals eight
- 9. 45 degrees 52 minutes 48 seconds=_ 31 degrees, 126=_ Degree_ Points_ 180 degrees - 56 degrees 52 minutes 48 seconds=_ 54 divided by 3=_
- 10. 38 degrees, 31 minutes, 21 seconds divided by 3?
- 11. As shown in the figure, the internal angles of the Pentagon ABCDE are equal, and angle 1 equals angle 2, and angle 3 equals angle 4. Find the value of X sandwiched between angle 1 and angle 3 Given that every internal angle of a polygon is equal, and an internal angle is equal to 9 times of its adjacent external angle, find the number of sides of the polygon
- 12. Greater than or equal to 180 degrees is called sector If the answer is wrong, aha
- 13. A straight line passes through point a (2, - 3), and its inclination angle is equal to twice the inclination angle of the straight line √ 3 / 3x + 1. Try to find the oblique and oblique section of the straight line
- 14. If the angles formed by three coplanar vectors a, B and C are equal, and ㄧ a ㄧ = 1, ㄧ B ㄧ = 2, and ㄧ C ㄧ = 3, then ㄧ a + B + C ㄧ = 3
- 15. What's 61 degrees and 30 minutes
- 16. How many degrees is 112 degrees and 30 minutes?
- 17. What's 190 degrees and 30 minutes
- 18. How many degrees does a third equal?
- 19. What is the second power of (Mathematics) (2 √ 3 - √ 2)?
- 20. What is 5 to the power of 0?