Question

prove that sum of all sides of a triangle is equal to 180°​

Answer 1

Step-by-step explanation:

Proof that the sum of the angles in a triangle is 180 degrees. If ABC is a triangle then <)ABC + <)BCA + <)CAB = 180 degrees. Draw line a through points A and B. Draw line b through point C and parallel to line a. ... It is obvious that <)B'CA + <)ACB + <)BCA' = 180 degrees.

HOPE THIS HELPS YOU

Answer 2

Answer:

radhe radhe

Step-by-step explanation:

ABC+BCA+ACB = 180°

.

.

.

in the above picture the proof is given

.

if it is useful to u then plz Mark me as brainliest....