A rectangular prism has six faces; each face has four right angles. There are 24 right angles in all.
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24 right angles
Yes
A rectangular prism is a hexahedron with six rectangular faces, each on which meets two others at right angles. In the special case that the rectangles are squares the shape is a cube so a cube is a special case of a rectangular prism.
They're 3D figures. Also, a cube is a type of rectangular prism (This can be taken from the fact that a square is a type of rectangle, because a rectangle is a parallelogram with right angles). Both figures have 6 faces, 8 vertices, and 12 edges. All the angles are right angles (in measure of 2-dimensional views). Note: Even though a cube is a type of rectangular prism, not all rectangular prisms are cubes.
The lateral faces will be parallelograms, and the opposite faces will be congruent. In a right prism, the lateral faces will be rectangles.