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You can't trace this graph without going twice over the same edge. In this graph four vertices have degrees 3 (odd) and one has degree 4 (even). In graphs traceable without lifting pencil off the paper and without going over the same edge twice all degrees must be even (enter and leave), and only two degrees can be odd (leave the starting vertex and enter the ending one). Hope this helps.
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Earn +20 ptsQ: How do you trace an x in a box without going over same line twice?
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Continue Learning about Math & Arithmetic
How can you add 5 lines to 4 lines to get 10 without counting any line that intersects another line twice?
the four lines you are adding five line to are vertical.
What is the line that intersects a circle twice?
It is called a secant line
What is a line that intersects a circle twice?
a chord
What the line segmants twice as length of its radius?
The line segment (not segmant) is equal, in measure, to the diameter.
Why are they called intercepts?
A line is said to intercept another trace or an axis when it meets or cuts it.
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