Question

In ∆MNO, m ∠M=45 ° and m ∠N=55 °, what is m ∠O? a 180 b 80 c 90 d 10

Answer 1

Answer:

option b) angle O = 80°

Step-by-step explanation:

angleO=180°-(45°+55°)

angleO=180°-100°

angleO=80°

Hope this helped you !!!