Take a counter example to show that "the median line of a triangle is equal to half of its three sides" has no inverse theorem Have a picture. I'll wait! It's best in 10 minutes. Maybe you can give me some ideas

RELATED INFORMATIONS

• 1. 1: Write "equal to vertex angle" as "if. Then." form 2: is there an inverse theorem for theorem "equal to vertex angle"? No counterexample is given
• 2. Is the inverse theorem that the central line on the hypotenuse of a right triangle is equal to half of the hypotenuse true? How do you prove it,
• 3. 2 / 1: x = 4 / 1:10 / 1 is 2:1: x = 4:1:10:1 how to calculate? How much is it equal to?
• 4. One two fourths equals four four eighths equals six sixths, right? Please correct? How do you understand this? Please explain the basic principle and its formula?
• 5. 4.2 to 1 is a quarter to eight to five
• 6. 2 / 3 × [3 / 2 × (quarter x) - 4 / 2] - 2 = what is x equal to,
• 7. What is the square of 12 + a?
• 8. How many meters is 12 square meters? Such as the title
• 9. How many meters is 12 square meters
• 10. What's the square of 12
• 11. I want to write a program, the program to randomly allocate five numbers, the five numbers must add up to 100. What is the calculation principle?
• 12. What is the theorem / conjecture that the cube of any natural number a is equal to the sum of a continuous odd numbers? I want to know its name Has any textbook mentioned this theorem If yes, please tell me the publishing house, grade and page number
• 13. What does it mean that my parents' birthdays add up to my birthday? Mom 0815 + dad 0216 = me 1031 What's the point of coincidence?
• 14. The second power of 3 - the second power of 1 = 8 = 8X1, the square of 5 - the square of 3 = 16 = 8x2?
• 15. Observe the following set of equations 1 + 3 = 2, square 1 + 3 + 5 = 3, square 1 + 3 + 5 + 7 = 4, according to this rule - 1-3-5-7. [2N-1] where n is positive Calculate the result
• 16. As shown in the figure, given ab ∥ CD, guess what is the relationship between ∠ B, ∠ bed, ∠ D in Figure 1, figure 2 and figure 3? Please show their relationship by equation and prove one of them. (1)______ ；（2）______ ；（3）______ ．
• 17. As shown in Figure 1, ab ∥ CD, try to guess the relationship between ∠ bed and ∠ B, ∠ D? Please explain the reason
• 18. Calculate the square division of - 1 by 1 / 9 times (- 2)
• 19. How to easily calculate the square of 1.2222 multiplied by 9-1.3333 multiplied by 4?
• 20. Observe the following equation: 9 × 0 + 1 = 19 × 1 + 2 = 119 × 2 + 3 = 219 × 3 + 4 = 319 × 4 + 5 = 41 According to the law reflected in the number table, we guess that the nth equation (n is a positive integer) should be () A. 9（n-1）+n=10（n-1）+1B. 9n+n=（n-1）+1C. 9n+（n-1）=n2-1D. 9n+n+1=10n+1