Need help with some ways to prove four triangles of equal ?

[lvl107]

Hello Everyone.

From the following :

Thanks in advance for your time and help.

Best Regards.

[ttokoro · Accepted solution]

[lvl107]

I greatly appreciate your time and help, Werner and Tokoro. @ Tokoro, I only have MC15 and I understand your hint as the following:

Best Regards.

[Werner_E]

Not sure what you actually need?