Question

to show that sum of three angles of triangl is 180 degree using crafting method

Answer 1

180 can be written in the form 60+60+60=180
Hope you like my answer
plz mark me as brainlist

Answer 2

Proof
Draw line a through points A and B. Draw line b through point C and parallel to line a.

triangle
Since lines a and b are parallel, <)BAC = <)B'CA and <)ABC = <)BCA'.
It is obvious that <)B'CA + <)ACB + <)BCA' = 180 degrees.
Thus <)ABC + <)BCA + <)CAB = 180 degrees.