1 |
5 |
1 |
4 |
1 |
3 |
1 |
2 |
1 |
4 |
{ | AB=CD BD=DB DA=CB |
1 |
2 |
1 |
2 |
√2 |
2 |
{ | AB=CD ∠ABE=∠CDF BE=DF |
{ | ∠EAO=∠FCO AO=CO ∠EOA=∠FOC |
{ | ∠C=∠FBE ∠CDF=∠E CF=BF |
{ | AB=CD ∠BAE=∠DCF AE=CF |
{ | ∠EAO=∠FCO OA=OC ∠AOE=∠COF |
∥ |
∥ |
∥ |
1 |
2 |
7 |
8 |
7 |
8 |
3 √3 |
2 |
2 √3 |
3 |
√3 |
3 |
2 √3 |
3 |
2 √3 |
3 |
2 √3 |
3 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
{ | AB=AD ∠B=∠D BE=DF |
1 |
2 |
1 |
2 |
{ | ∠ABE=∠DAF AB=AD ∠BAE=∠D |
{ | ∠ABE=∠DAF AB=AD ∠BAE=∠D |
{ | NP=EP ∠ANP=∠EPF AN=PF |
{ | AN=FP NP=EP AP=EF |
1 |
5 |
1 |
4 |
1 |
3 |
1 |
2 |
3 √3 |
2 |
2 √3 |
3 |