octogon
Octohedron
A triangle has 3 sides.
This is a scalene triangle as it has no equal sides or angles. It is not a right angle triangle.
No, because 8 isn't a factor of 30.
Then it is a scalene triangle
an octogon
A triangle.
Your shape is a triangular octagon. * * * * * What on earth is that shape? The most likely answer is an octogonal pyramid.
Octohedron
If it only has those 3 sides then it must be a triangle. As all its sides are different lengths it's a scalene triangle.
There is no such triangle. A triangle must have exactly 3 sides.
The Shape That Has 8 Sides Is A Octagon Which Has 8 Equal Sides
Ummm... A triangle has 3 sides.
An octagon has 8 sides and 8 angles.
A triangle has 3 sides.
6.20 feet
Just add together the length of the sides to get the perimeter. If the shape is 5 feet by 5 feet by 8 feet, just add together the sides: 5 + 5 + 8 = 18 feet.