Which is true regarding a complete rectangular furnace?

1.	Which is true regarding a complete rectangular furnace?
A.	6 walls, 12 edges and 6 corners
B.	0 walls, 2 edges and 4 corners
C.	6 walls, 12 edges and 8 corners
D.	2 walls, 6 edges and 8 corners
Answer» D. 2 walls, 6 edges and 8 corners

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Which is true regarding a complete rectangular furnace?

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