Question

Verify the euler's formula for cube ,cuboid,rectangular prism ,rectangular pyramid ,triangular prism,triangular pyramid ​

Answer 1

Euler’s formula = F + V - E = 2

For cube,

6 + 8 - 12 = 2

For cuboid,

6 + 8 - 12 = 2

For rectangular prism,

6 + 8 - 12 = 2

For rectangular pyramid,

5 + 5 - 8 = 2

For triangular prism,

5 + 6 - 9 = 2

For triangular pyramid,

4 + 4 - 6 = 2

Thus, verified.

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