The smallest angle of rotational symmetry for a regular polygon is 30°. How many sides does the regular polygon have? 9 12 20 30.

Trigonometry help asap

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement