Question

prove that Sum of the angles of a triangle is 180 degree.Please give the answer according to the figure byy saying about the angle.​

Answer 1

Answer:

Step-by-step explanation:

1. Draw DM parallel to BC
2. Angle DAB=Angle ABC [Alternate interior angles].............1
3. Angle MAC=Angle ACB[Alternate Interior Angles].............2
4. AngleDAB+BAC+MAC=180[Linear Pair].................................3
5. 1 in 2 in 3
6. Angle ABC +ACB+BAC=180
7. Hence Proved

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