Which statement is always true?

1. Scalene triangles have two angles that are equal.
2. All angles in a parallelogram are equal.
3. The opposite sides of a trapezium are equal in length.
4. The diagonals of a rhombus are perpendicular to each other.

The diagonals of which shape below cross at right-angles?

A

B

C

D

Which of these are always equal in length?

1. the diagonals of a rhombus
2. the diagonals of a parallelogram
3. the opposite sides of a parallelogram
4. the opposite sides of a trapezium

is a parallelogram.

Which of these must be a property of ?

1. Line is perpendicular to line .
2. Line is parallel to line .
3. Diagonals and are perpendicular.
4. Line is parallel to line .

A closed shape has two pairs of equal adjacent sides.

What is the shape?

1. rectangle
2. trapezium
3. kite
4. triangle