Please explain how Q3 can be drawn without crossing edges. @Manu Thakur

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+15 votes

K4 and Q3 are graphs with the following structures.

Which one of the following statements is **TRUE **in relation to these graphs?

- K4 is a planar while Q3 is not
- Both K4 and Q3 are planar
- Q3 is planar while K4 is not
- Neither K4 nor Q3 is planar

+25 votes

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