Answer:
495
Step-by-step explanation:
12 Choose 4 = (12!) / 4! 8! = (12 · 11 · 10 · 9) / (4 · 3 · 2) = 495
Your answer should be:
<em>The order of rotational symmetry of a regular polygon is the same as the number of sides of the polygon. You can also deduce the order of rotational symmetry by knowing the smallest angle you can rotate the shape through to look the same. 180° = order 2, 120° = order 3, 90° = order 4. </em>
<em>I hope this helped :) </em>
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<h2>Have a wonderful day!</h2>
-- Juri Davis
Answer:
i think it d
Step-by-step explanation:
For perimeter you add all of the sides but for area you multiply each side
