Quatrilateral

All of its interior angles are 90°.

• Rhombus

• Parallelogram

• Rectangle

Only one pair of opposite sides is parallel.

• Rhombus

• Trapezium

• Square

• Rectangle

Diagram shows a rhombus. What is the value of y?

• 145°

• 35°

• 45°

• 155°

Diagram shows a rhombus. What is the value of z?

• 145°

• 35°

• 45°

• 155°

What is the value of ∠SOR in this rhombus?

• 45°

• 55°

• 70°

• 90°

What is the length of OC?

• 5 cm

• 8 cm

• 13 cm

Parallelogram

• The diagonals are of equal length and are perpendicular bisectors of each other

• The diagonals are bisectors of each other.

• One of the diagonals is the angle bisector of the angles at the vertices

ABCD is a quadrilateral, what is the value of a?

• 198°

• 120°

• 93°

• 115°