true, Massive structures resist by their own weight, Suspended structures use cables to hold the deck, Shell structures are thin and curved, Pneumatic structures keep their shape with air pressure, Vaulted structures use arches to support loads, false, Framed structures are made only of triangles, Triangles make structures weaker, Geodesic structures are made of squares

structures

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Structural techniques
Structural techniques
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Properties of 3D Shapes
Properties of 3D Shapes
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Properties of 3D Shapes
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Man Made or Natural structures?
Man Made or Natural structures?
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Structural Features
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