Level 1
Level 3

#### 15 words 0 ignored

Ready to learn
Ready to review

## Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

**Ignore?**

Equilateral triangle

All 3 sides and 3 angles are equal.

Isosceles triangle

2 sides and 2 angles are equal.

Scalene triangle

No sides and no angles are equal.

Right-angled triangle

One angle is 90°.

Acute-angled triangle

All angles are less than 90°.

Obtuse-angled triangle

One angle is bigger than 90°.

All interior angles of a triangle

180°.

Quadrilateral

Closed 2D shape with 4 straight sides and four angles

Parallelogram

Both pairs of opposite sides are parallel. Both pairs of opposite sides are equal.Opposite angles are equal in length.

Rhombus

All 4 sides are equal in length.Both pairs of opposite sides are parallel.Both pairs of opposite sides are equal in length

Rectangle

Both pairs of opposite sides are parallel.Both pairs of opposite sides are equal in length. All angles are equal to 90° .

Square

Both pairs of opposite sides are parallel. All sides are equal in length.All angles are equal 90°.

Kite

Both pairs of adjacent sides are equal in length.Only one pair of opposite angles are equal.

Trapezium

Only one pair of opposite sides are parallel.

Irregular quadrilateral

No special properties.