How to Draw a Pentagon in ShapeArena
The regular pentagon has five equal sides meeting at five 108-degree angles. In ShapeArena, the pentagon is a hard shape that tests your spatial awareness and ability to judge equal divisions of a circle into fifths.
Geometry & Properties
| Sides | 5 equal sides |
|---|---|
| Interior Angles | 5 equal angles (108° each) |
| Symmetry | 5 axes of symmetry |
| Difficulty | Hard |
Difficulty Assessment
The pentagon is where ShapeArena starts to get seriously challenging. Five equal sides and 108-degree angles are difficult to judge by eye alone. Most people draw pentagons with uneven side lengths or lopsided proportions because the human brain does not have strong intuitions about five-fold symmetry.
Drawing Tips
These tips are specific to drawing the pentagon in ShapeArena. Practice each one individually before combining them for your best attempt.
- Imagine a clock face: place vertices roughly at 12, 2:24, 4:48, 7:12, and 9:36 positions. This gives approximately equal spacing.
- Start from the top vertex and work clockwise. Drawing in a consistent direction helps maintain proportions.
- Focus on making the first two sides the correct length — this sets the scale for the remaining sides.
- The interior angles (108°) are slightly more obtuse than a right angle. Each turn should feel like just past a square corner.
- Practice drawing a rough star first (five points), then connect only the outer points — this can help you internalize the vertex positions.
- On mobile, try drawing slightly smaller than the ghost outline. Smaller pentagons are easier to keep proportional.
What the Scoring Algorithm Looks For
Pentagon scoring is strict on side length equality and angle consistency. The algorithm measures the distance of each vertex from its ideal position and evaluates the straightness of each side. Because pentagons have five sides, small per-side errors accumulate quickly, so consistency across all five segments is more important than perfecting any single side.
For a deeper understanding of how all scoring factors combine, see the full scoring system explanation.
Fun Facts About the Pentagon
- The Pentagon building in Washington, D.C. is the world's largest office building by floor area, with 6.5 million square feet of office space arranged in five concentric pentagons.
- Regular pentagons cannot tile a flat surface on their own — unlike triangles, squares, and hexagons. This was proven centuries ago and is related to the fact that 108° does not divide evenly into 360°.
- The golden ratio (φ ≈ 1.618) appears throughout the pentagon: the diagonal-to-side ratio of a regular pentagon equals the golden ratio.
- Starfish exhibit pentagonal symmetry, with five arms radiating from a central body — a pattern called pentaradial symmetry.
- Pentagons appear in some soccer ball designs (traditional black-and-white balls use 12 pentagons and 20 hexagons).
Ready to Draw?
Put your skills to the test. Head to the arena and see how accurately you can draw a pentagon.
Draw a Pentagon Now →Other Shapes
Related Resources
- How Scoring Works — understand accuracy, speed, and smoothness
- Improve Drawing Accuracy — general tips for all shapes
- Which Shape Is Hardest? — difficulty ranking of all shapes
- Leaderboards — see how you rank against other players