What construction does the image below demonstrate?

the circumcenter of a regular hexagon

the incenter of a regular hexagon

a regular hexagon circumscribed about a circle

a regular hexagon inscribed in a circle

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Use the spider tool located on page 1 of this activity to draw a 12-pointed star for the new logo. (hint: if the spider rotates 360 degrees -- or 720 degrees or 1080 degrees -- she will be facing in the same direction in which she started. when the spider is done drawing, you want her to be facing in the same direction in which she started. she'll be making 12 rotations, all the same size, so each rotation must be some multiple of 360/12 = 30 degrees.) urgently. been stuck on this problem for around 45 minutes now.! it should be easy if you're smart enough