Cuboid.
Triangles and rectangles.
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Glockenspiel
They are all rectangles (or 2 squares and 4 rectangles).They are all rectangles (or 2 squares and 4 rectangles).They are all rectangles (or 2 squares and 4 rectangles).They are all rectangles (or 2 squares and 4 rectangles).
No. Frankly, there is no real relationship between rectangles and trapezoids except that they are both considered quadrilaterals and they contain one pair of parallel sides. However, a rectangle has two pairs.
rectangles
In a 4 by 4 grid, there are 16 squares (1x1 squares), 9 rectangles that are 2x1, 6 rectangles that are 3x1, 4 rectangles that are 2x2, and 1 rectangle that is 4x4. Therefore, in total, there are 16 squares and 20 rectangles in a 4 by 4 grid.
There must be at least two rectangles (to justify the name). The remaining sides can be: 4 squares 2 squares and 2 rectangles 2 squares and 2 rhombi 2 rectangles and 2 parallelograms 4 parallelograms
In fact, some are rectangles, but not all are.
Rectangular Prism. It's lateral faces are 4 rectangles. It's bases are 2 squares.
All squares are rectangles also, but not all rectangles are squares, only equilateral rectangles are considered square.