9 × 2۰5 = 22۰5 The area of the rectangle is 22۰5 m². To find the area of a compound shape using addition: Split the compound shape into rectangles that make the shape. For each separate ...

These shapes closely ... For prisms, all the sides extend upward from the base area before being capped with a top face like a flat roof on a large building. Use the following formula variations ...