ASAP! It’s for my final grade. Thank you

Someone me i need with this stuff

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal