Hannah constructed two similar circles as seen in the image below of the arc length of the smaller circle is 2pi which of the following would be true?

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base