please give the answer
Attachments:
Answers
Answered by
1
Answer:
lets suppose the triangle as ∆ABC
<a +<b+<c = 180° [by theorem 7.1]
there are three angles = a ,b, and c
so, we can write 3a+b+c =180°
therefore, a+b+c = 180°/3
therefore , a+b+c = 60°
hence proved
Similar questions