The distance between points
and
can be calculated using formula

1.

2.

3.

Then

Answer: correct choice is C.
Adjacent angles<span> are two </span>angles<span> that have a common vertex and a common side.
<OPN and <TSP have a common side but do not have a common vertex.
<OPN and <RSU do not have a common side or a common vertex.
<OPN and <QPN are adjacent angles. They have a common side and a common vertex.
<OPN and <QPS have common vertex but do not have a common side.</span>



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Answer: Cards left = 96 ------------------------------------
1,024 is 4^5 hope this helps :)