Question

prove that the sum of the angles In a triangle is 180degree

Answer 1

Hey here your answer

Answer 2

Hey there !!


Prove the angle sum property of triangle.


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1st method .

→ Based on alternate interior angles property.


2nd method.


→ Based on the theorem that the exterior angle of a triangle is equal to the sum of its two opposite angles.


3rd method.

→ Based on theorem that the sum of all exterior angle of a polygon is 360° .


✔✔ Hence, it is proved ✅✅.

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