Traditional Culture Encyclopedia - Traditional festivals - The figure shows the side expansion of a food box. (1) Write the name of the polyhedral shape of this box ______. (2) According to the diagram labeled
The figure shows the side expansion of a food box. (1) Write the name of the polyhedral shape of this box ______. (2) According to the diagram labeled
(1) *** has 3 rectangles forming the sides and 2 triangles forming the base, so it is a triangular prism;
=5, AD=3, BE=4 , DF=6
(2) ∵ AB=
| 32+42 |
∴The side area is 3×6+5×6+4×6=18+30+24=72.
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