Faces:9
Vertices:9
Edges:16
Then to check this you use Euler's Formula which is : F+V - E =2 and 2 must be the answer if not you have done it wrong
So 9+9=18 and 18-16 =2 formula achieved
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An octagonal pyramid has 8 faces. * * * * * No. An octagonal pyramid has 9 faces - one octagonal base and 8 triangular faces meeting at an apex above the base.
An octagonal pyramid has 16 edges.
Octagonal pyramid
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An octagonal pyramid has nine faces. It also has nine vertices and 16 edges. You can find the volume of this pyramid by using the formula that the base 'B' multiplied by the height 'h' must be divided by three.