Chris has a circular outdoor pen for his puppy. The distance from the center to the outside of the dog pen is 10 feet. To the nearest square foot how much space does the puppy have to run around inside the pen? A. 63 sq. ft.
B. 79 sq. ft.
C. 314 sq. ft.
D. 1,257 sq. ft.

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?

Hi, can anyone show me how to do this problem? 100 points for this. in advance

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer