Why didnt dexter want a pocket calculator

Ineed with this. the figure is made up of a square and a rectangle. find the area of the shaded region.

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°