Question

sum of the three angles in a triangle is​

Answer 1

Answer:

sum of all angles in a triangle is 180 degree

Answer 2

Answer:

180....

Step-by-step explanation:

Let the triangle be equilateral....

so all sides are x.

now by angle sum property

x+x+x =180

3x= 180

x=60

now 60+60+60 =180.

proved....