Q17 of 42 Page 10

What is the key feature of octahedron?

Eight faces which are all equilateral triangles.

More from this chapter

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15 What is the key feature of tetrahedron? 16 How many faces, corners and edges does a tetrahedron have? 18 How many faces, corners find edges does a octahedron have? 19 Give some examples for prism.