What is the length of the path P − Q − S − T − R P-Q-S-T-R ?

Welcome back. For this problem, we want to find the length of our path from P to Q to S to T to R. Let's start by tracing out that path again. We have from P to Q to S to T to R. As a reminder, the length is the number of edges along the path. We can see one edge PQ. Our 2nd edge QS, our 3rd edge ST, and our 4th and final edge TR, because there are 4 edges along the path, our length is 4. Great work.

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Paths and Circuits

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Multiple Choice

What is the length of the path $P - Q - S - T - R$ ?
$Graph with vertices P, Q, R, S, T connected by edges, including a loop at vertex P.$

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What is the length of the path P−Q−S−T−RP-Q-S-T-R?

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What is the length of the path $P - Q - S - T - R$ ?
$Graph with vertices P, Q, R, S, T connected by edges, including a loop at vertex P.$