answer: (c) mβ qpo + (2x + 16)Β° = 180Β°
step-by-step explanation:
the opposite angles of a quadrilateral are supplementary.
so, β o + β q = 180Β° and β p + β r = 180Β°
since β r = 2x + 16Β°, we can use substitution as follows:
β p + β r = 180Β°
β p + (2x + 16)Β° = 180Β°