What are the vertices of δpqr? a.) pq, qr, and pr (lines above these letters) b.) p, q, and r c.) ∠p, ∠q, and ∠r d.) none of these. there was no image attached to this question, no graph, no triangle, nothing. (this question probably doesn't even need one so)

The vertices is where "two lines meet together". This pretty much means the points in a triangle, for two sides meet in one point, which is generally where the angle is.

B. P, Q, and R is your answer, for those are the names of the vertices (where the two lines meet together).

hope this helps

alright well the answers to your question is

2xy/9 hope this have a nice day : )

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