Question

the mathematician teacher of class 9 told student will prove that the that the sum of angle of triangle is 180. he told that the students have to draw any triangle ABC . In there notebook and to produce base BC to D and. draw CE parallel to BA​

Answer 1

Answer:

draw a triangle with equal sides divide 180 by three to be able to give each angle its size this will give you a triangle with equal sides

Step-by-step explanation: