In the given figure,sides of a regular hexagon are produced.Prove that <1+<2+<3+<4+<5+<6=360 degrees.

Dear student

Let ABCDEF is a regular hexagon.Number of sides=n=6Now, sum of interior angles=n-2×180°=6-2×180°=4×180°=720°Measure of each interior angle=720°6=120°At point A,FAB+BAL=180°    (Linear pair)120°+BAL=180°BAL=60°Similarly, we getCBM=DCN=EDO=FEP=AFQ=60°Now,BAL+CBM+DCN+EDO+FEP+AFQ=60°+60°+60°+60°+60°+60°BAL+CBM+DCN+EDO+FEP+AFQ=360°Hence proved.
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