1. Find the perimeter of the semicircle. 21 ft
65.94 ft
379.94 ft
53.97 ft
76.94 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?

Aphrase is shown read the phrase and give me the answer

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?