Question

If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the interior opposite angles prove it

Answer 1

Here is your answer bro...
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Answer 2

Step-by-step explanation:

To prove :-

Angle 4 = Angle 1 + Angle 2

Proof :-

As we know that the sum of all angles is 180° .

Hence , Angle 1 + Angle 2 + Angle 3 = 180° .............( 1)

And we also know that a straight line is of 180 ° .

Because , Angle 3 + Angle 4 = 180° .....................(2)

Now from (1) and (2) .....

Angle 1 + Angle 2 + Angle 3 = Angle 3 + Angle 4

Because , Angle 1 + Angle 2 = Angle 4

Hence proved ....✌️

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