A decahedron has 10 faces, honey. It's right there in the name - "deca" meaning 10. So, count 'em up and you'll see that this bad boy has a total of 10 faces. Hope that clears things up for ya!
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The prefix "deca-" means ten. It has ten faces.
How many sides does a Decahedron Have
A 10-sided shape is known as a decagon.(A decahedron is a 3-dimensional solid with 10 polygonal faces.)
A ten faced solid is a decahedron.
Decahedron. * * * * * Or a hendecagonal pyramid or a decagonal prism or a cuboid with six corners chopped off or many other possibilities.