In the figure above, all three regular polygons below are rotated the same number of degrees and the triangle and hexagon are mapped onto themselves but the square is not. Determine the minimum number of degrees the triangle and hexagon are rotated such that they are mapped onto themselves but the square is not.

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct