Plate

Mass = 84184.05 grams Volume = 31179276.94 cubic millimeters Surface area = 1916449.49 square millimeters Build 1. Built section B and C with corresponding dimensions. 2. Used revolve tool to make the plate 3. Made a new sketch and made a line from the center of plate to inner edge of circle. 4. Used offset entities on line by 20mm. 5. Used dimensions to round the edges. 6. Did a boss extrude 7. Used circular sketch pattern