∠E and ∠H

∠E and ∠G

∠F and ∠G

∠F and ∠E

AB and CD , AD and BC

AB and BC , AD and DC

AB and BC , BC and CD

AC and BD , AB and DC

∠N and ∠P

∠Q and ∠P

∠N and ∠Q

∠M and ∠P

∠N and ∠K

∠N and ∠J

∠K and ∠J

∠B and ∠K

MQ and MN

QP and QM

MP and QN

NP and NM

E

F

G

0

2

3

4

5

FG and FE

FG and EI

EI and EF

IE and IG