1.

Prove that the sumof all angles of a triangle is 180°​

Answer»

ong>Answer:

as when we make a right ANGLE TRIANGLE... it's angles are always of 60°...

so, 60+60+60 = 180°

so, if we make any other triangle... the degree would be REDUCED from one side and definitely increased at the other side....

soo that's why we known that the sum of triangle is 180°

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