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The common portion of two adjacent faces of a cuboid is called __________.

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__________ is a figure that has neither a line of symmetry nor a rotational symmetry.

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__________ and __________ are the capital letters of English alphabets that have one line of symmetry but they interchange to each other when rotated through 180°.

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A plane surface of a solid enclosed by edges is called __________ .

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The corners of solid shapes are called its __________.