What shape is a decagon?

Answer 1

A plain sided, 2-dimensional figure of TEN(10) sides.

NB From the Latin roots, then names of polygons are :-

3 = tri

4 = tetra/quad

5 = pent

6 = hexa

7 = hepta

8 =- octa

9 = nona

10 = deca (As in decagon above).

Answer 2

A decagon is a ten-sided polygon with ten angles. It's a two-dimensional figure. Imagine a stop sign but with ten sides instead of eight.

Answer 3

A decagon is a 10 sided shape. It has 10 sides.

Answer 4

A 10 sided polygon.