2D shapes can be found printed in a book or on a website. 2D shapes have sides and corners. A rectangle has 4 straight sides and 4 corners. A square is a special type of rectangle, where all 4 ...

rectangle) and shape properties (e.g., three-sided, pointy) are all part of spatial learning. Shape names like triangle, circle and cube can help to identify geometric shapes, but to really understand ...

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 ...