Question

please explain the answer step by step in 7 class​

Answer 1

Answer:

I'll give your all question's answer but one by one

1) Answer)

We know that sum of all interior Angel of triangle is 180⁰.

so, we can write ,,

Labc + Lbca + Lcab = 180⁰

La + Lb + Lc = 180⁰

35 + 65+ Lc = 180⁰

LC = 180- 100

so Lc =80⁰