A regular hexagon has 6 sides of equal length ("hex" means six). The perimeter is just the length of all the sides added up.
So,
Perimeter = 6 x 7 = 42 cm
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No, it does have 3 sets of parallel sides though.
312cm
Hexagon has 6 sides so 360/6 = 60 degrees interior angle therefore exterior angle = 360 - 60 = 300 degrees
If it's a regular hexagon then 6*27 = 162 cm
The total number of degrees in any regular polygon is calculated by (S-2) * 180º, where S = the number of sides. So, for a hexagon the total is 4 * 180º = 720º, and the measure of each interior angle is 120º, or 1/6th of the total.