Question

1. The sum of the angles of a triangle is 180°9​

Answer 1

Answer:1+2+3 = 180°

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Answer 2

Answer:

yes it is correct.

Step-by-step explanation:

now , let some angle 1,2 and 3 in triangle and angle 4 and 5 as liner pair for angle 3.

now,u will see that Angle 2 and 4 , angle 1 and 5 be equal . then,they will show the angle 180