Summative Test in Mathematics 9

What is a necessary condition for a quadrilateral to be a parallelogram?

• All sides are equal

• Diagonals are perpendicular

• All angles are right angles

• Opposite sides are parallel

Which property is true for all parallelograms?

• All sides are equal

• Diagonals are equal

• All angles are right angles

• Opposite angles are equal

What is the sum of the interior angles of a parallelogram?

• 180 degrees

• 360 degrees

• 540 degrees

• 720 degrees

Which of the following is a type of parallelogram?

• Hexagon

• Pentagon

• Rectangle

• Triangle

What is a characteristic of a rhombus?

• All sides are equal

• Diagonals are equal

• All angles are right angles

• Opposite sides are not parallel

Why are opposite sides of a parallelogram equal?

• Because of the definition of a parallelogram

• Because they are congruent

• Because they are adjacent

• Because they are perpendicular

How can you determine if a quadrilateral is a parallelogram?

• Check if all angles are right angles

• Check if diagonals are perpendicular

• Check if all sides are equal

• Check if opposite sides are parallel

What property do the diagonals of a rectangle have?

• They are equal

• They are parallel

• They are perpendicular

• They are unequal

Why is a square considered a parallelogram?

• It has all properties of a parallelogram

• It has unequal angles

• It has no parallel sides

• It has unequal sides

If one angle of a parallelogram is 70 degrees, what is the measure of its adjacent angle?

• 70 degrees

• 90 degrees

• 110 degrees

• 180 degrees