Which letter labels a vertex? A triangular prism. A is a side, D is a side, B is a face, C is a vertex.
A only
B
C
A and D

step-by-step explanation:

it will be a cylinder. with a diameter of 8 and 4 single pieces high

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

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