Answer :
Answer:
4cm
Step-by-step explanation:
- A decagon has 10 sides that are probably equal.
- one of the sides is 4cm.
- The remaining 9sides = 9×4 = 36cm
- each sides are 4cm.
Answer:
4cm
Step-by-step explanation:
because the meaning of regular polygon is a polygon whose sides and angles are all congruent.
And congruent means the same hopes this helps