A parallelogram with unequal adjacent sides
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In geometry, a rhomboid is a cube like three-dimensional figure with faces that are called rhombi. It has 6 rhombi faces, 12 edges and 8 vertices.
a square 2 pairs of equal angles: A rhomboid
Choose one corner of the rhomboid as the origin and the three edges joined at this corner as the principle axes (say, A, B, and C). Consider each as a vector with a direction along the axis with a magnitude equal to the edge length. The volume is then:A . (B x C)
Previous Answer: A rhombus is 2-dimensional, and therefore has no volume.The name of a 3D analogue to a rhombus is a rhomboid or parallelepiped. It's volume is: L1.(L2 x L3) Where Li are the vector lengths of the sides.
If only one set of opposite sides is parallel, it is a trapezoid (UK trapezium).If both pairs of opposite sides are parallel, it is a parallelogram. A parallelogram may be a rectangle, square, rhomboid, or rhombus.