Respuesta :

Answer:

D part

Step-by-step explanation:

3x + 80⁰ + 2x = 180⁰ (By Linear Pair)

5x + 80⁰ = 180⁰

5x = 100⁰

x = 20⁰

Hope it helps :)

Answer:

Option D.

Explanation:

I hope that helps! :)