Question

prove that the sum of angles of triangle is 180 degree​

Answer 1

Answer:

all the angles of a triangle have the value of 60 degree

Step-by-step explanation:

so ,60+60+60=180

hope it's helpful

Answer 2

Step-by-step explanation:

To prove the above property of triangles, draw a line \overleftrightarrow {PQ} parallel to the side BC of the given triangle. Thus, the sum of the interior angles of a triangle is 180°.