justify the last two steps of proof~pic in comments~metal~

Question

stuck-help · Answer

attachment

welshfella · Answer

the last comments would be SSS  ( congruent triangles because of 3 equal sides)

stuck-help · Answer

ok thank you do you know the other one

welshfella · Answer

Not sure about number 3 other than its obvious!!

stuck-help · Answer

ok thank you

welshfella · Answer

to be honest i think its a bit silly giving it a name -  Its the same line so its obviously equal!

welshfella · Answer

Try - 'common to both triangles'.

stuck-help · Answer

yeah i think so to the really just swiched s and t around to call it something else

stuck-help · Answer

ok i will its a writen question so i willnt know if it is right for a few days

welshfella · Answer

its like saying the distance in a straight line from S to T is the same distance in a straight line from T to S. What else could it be?

stuck-help · Answer

yeah i understand can you help me on a few more question