Circle | Ympyrä | 円
A circle is a shape with all points at the same distance from its center.
Triangle | Kolmio | 三角形
A triangle is a polygon with 3 edges and 3 vertices.
- Sum of Angles: 180°
Quadrilateral | Nelikulmio | 四辺形
A quadrilateral is a polygon with 4 sides.
- Sum of Angles: 360°
Rectangle | Suorakulmio | 長方形
A rectangle is a quadrilateral with 4 right angles.
- Sum of Angles: 360°
Square | Nelikulmio | 正方形
A square is a quadrilateral with 4 equal side lengths and 4 right angles.
- Sum of Angles: 360°
Rhombus | Neljäkäs | 菱形
A rhombus is a quadrilateral with 4 equal side lengths but not necessarily 4 right angles.
- Sum of Angles: 360°
Trapezoid | Puolisuunnikas | 台形
A trapezoid is a quadrilateral that has exactly one pair of parallel sides.
- Sum of Angles: 360°
Parallelogram | Suunnikas | 平行四辺形
A parallelogram is a quadrilateral with both pairs of opposite sides parallel.
- Sum of Angles: 360°
Pentagon | Viisikulmio | 五角形
A pentagon is a polygon with 5 sides and 5 angles.
- Sum of Angles: 540°
Hexagon | Kuusikulmio | 六角形
A hexagon is a polygon with 6 sides and 6 angles.
- Sum of Angles: 720°
Octagon | Kahdeksankulmio | 八角形
An octagon is a polygon with 8 sides and 8 angles.
- Sum of Angles: 1080°
Nonagon | Yhdeksänkulmio | 九角形
A nonagon is a polygon with 9 sides and 9 angles.
- Sum of Angles: 1260°
Decagon | Kymmenkulmio | 十角形
A decagon is a polygon with 10 sides and 10 angles.
- Sum of Angles: 1440°
Dodecagon | Kahdentoistakulmio | 十二角形
A dodecagon is a polygon with 12 sides and 12 angles.
- Sum of Angles: 1800°