Question

If ∠SMO measures 45°, what is the measure of ∠SMN ?A 180B 90C 45D 135

Answer 1

Given:

`\angle SMO=45^(\circ)`
`\begin{gathered} \angle SMO+\angle SMN=180^(\circ) \\ 45^(\circ)+\angle SMN=180^(\circ) \\ \angle SMN=180^(\circ)-45^(\circ) \\ \angle SMN=135^(\circ) \end{gathered}`