Exploring Quadrilaterals: Key Concepts and Properties

What defines a quadrilateral?

• A shape with four angles

• A shape with one pair of parallel sides

• A polygon with four sides

• A polygon with three sides

What makes a square special among quadrilaterals?

• It has one pair of parallel sides

• It has no parallel sides

• All sides are of equal length

• It has two right angles

How does a rectangle differ from a square?

• A rectangle has no parallel sides

• A rectangle has four equal angles

• A rectangle has two equal sides

• A rectangle has no right angles

What is a rhombus?

• A quadrilateral with no equal sides

• A quadrilateral with four right angles

• A quadrilateral with four equal sides

• A quadrilateral with no parallel sides

What characteristic do all parallelograms share?

• They all have four equal sides

• They all have four right angles

• They all have two pairs of parallel sides

• They all have no parallel sides

What is the difference between a trapezoid and a trapezium?

• Trapezoid has no parallel sides, trapezium has one pair

• Trapezoid has one pair of parallel sides, trapezium has no parallel sides

• Trapezoid and trapezium are the same in all countries

• Trapezoid has two pairs of parallel sides, trapezium has one pair

How many degrees do the angles of any quadrilateral sum up to?

• 270 degrees

• 360 degrees

• 90 degrees

• 180 degrees

How can you find an unknown angle in a quadrilateral?

• Subtract the known angles from 180 degrees

• Add all the known angles

• Subtract the sum of known angles from 360 degrees

• Multiply the known angles by two

In parallelograms, which angles are equal?

• Adjacent angles

• Opposite angles

• Acute angles

• Obtuse angles

What is the sum of the unknown angles A and C in a parallelogram if one angle is 50 degrees?

• 260 degrees

• 130 degrees each

• 100 degrees

• 180 degrees