Find trapezoid surface with bases 60 cm,20 cm and ribs 13 cm and 37 cm

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?

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