Question:
How many vertices are there in a
(i) cuboid
(ii) tetrahedron
(iii) pentagonal prism
(iv) square pyramid?
Solution:
(i) A cuboid has 8 vertices, namely A, B, C, D, E, F, G and H.(5).png)
(ii) A tetrahedron has 4 vertices, namely K, L, M and N..png)
(iii) A pentagonal prism has 10 vertices, namely A, B, C, D, E, F, G, H, I and J..png)
(iv) A square pyramid has 5 vertices, namely O, W, X, Y and Z.(1).png)
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