I will give brainliest You want to put a stake every metre around the perimeter of a square plot that measures 100 metres on every side. How many stakes will you need?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters