decagonalshape
nounUK /dɪˈkæɡənəl ʃeɪp/
US /dɪˈkæɡənəl ʃeɪp/
A decagonal shape is a flat shape with ten straight sides.
The stop sign in our town is a decagonal shape with ten equal sides.
OTHER MEANINGS
2. A design or outline having ten straight edges, often used in architecture or crafts.
The garden path was laid out in a decagonal shape around the fountain.
3. A mathematical figure classified by having exactly ten sides and ten angles.
In math class, we learned that a decagonal shape has ten interior angles.
4. A decorative pattern or tile arrangement forming a ten-sided boundary.
The mosaic floor featured a decagonal shape made of colorful tiles.