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All 3 sides and 3 angles are equal.
2 sides and 2 angles are equal.
No sides and no angles are equal.
One angle is 90°.
All angles are less than 90°.
One angle is bigger than 90°.
All interior angles of a triangle
Closed 2D shape with 4 straight sides and four angles
Both pairs of opposite sides are parallel. Both pairs of opposite sides are equal.Opposite angles are equal in length.
All 4 sides are equal in length.Both pairs of opposite sides are parallel.Both pairs of opposite sides are equal in length
Both pairs of opposite sides are parallel.Both pairs of opposite sides are equal in length. All angles are equal to 90° .
Both pairs of opposite sides are parallel. All sides are equal in length.All angles are equal 90°.
Both pairs of adjacent sides are equal in length.Only one pair of opposite angles are equal.
Only one pair of opposite sides are parallel.
No special properties.