Question

2. Find the number of faces of a polyhedron having 20 vertices and 40 edges.​

Answer 1

As per question:

As per question:Euler's Formula is for any polyhedrons. i.e.

As per question:Euler's Formula is for any polyhedrons. i.e.F + V - E = 2

As per question:Euler's Formula is for any polyhedrons. i.e.F + V - E = 2Given, F = 20 and V = 12 and E = a

As per question:Euler's Formula is for any polyhedrons. i.e.F + V - E = 2Given, F = 20 and V = 12 and E = aAccording to the formula:

As per question:Euler's Formula is for any polyhedrons. i.e.F + V - E = 2Given, F = 20 and V = 12 and E = aAccording to the formula:20 + 12 - a= 2

As per question:Euler's Formula is for any polyhedrons. i.e.F + V - E = 2Given, F = 20 and V = 12 and E = aAccording to the formula:20 + 12 - a= 232 - a = 2

As per question:Euler's Formula is for any polyhedrons. i.e.F + V - E = 2Given, F = 20 and V = 12 and E = aAccording to the formula:20 + 12 - a= 232 - a = 2a = 32 - 2

As per question:Euler's Formula is for any polyhedrons. i.e.F + V - E = 2Given, F = 20 and V = 12 and E = aAccording to the formula:20 + 12 - a= 232 - a = 2a = 32 - 2a = 30