Rex has a square deck that is 9 feet long on each side. He decides to add triangular benches in each corner as is shown in the diagram.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Agrid shows the positions of a subway stop and your house. the subway stop is located at (-5,2) and your house is located at (-9,9). what is the distance, to the nearest unit, between your house and the subway stop?

Find the interior angle of a regular polygon which has 6 sides