Quadrilaterals: Missing angles

What is a rhombus?

• A quadrilateral with all sides equal and opposite angles equal.

• A polygon with four right angles.

• A triangle with all sides equal.

• A shape with only two sides.

If the angles of a quadrilateral are in the ratio 1:2:3:4, what are the measures of the angles?

• 30°, 60°, 90°, and 120°

• 45°, 90°, 135°, and 180°

• 15°, 30°, 45°, and 60°

• 60°, 90°, 120°, and 150°

If a quadrilateral has angles measuring 90°, 90°, and 90°, what is the measure of the fourth angle?

• 90°

• 80°

• 100°

• 120°

How many diagonals does a quadrilateral have?

• 1

• 2

• 3

• 4

What do you call a quadrilateral with opposite sides that are equal and parallel?

• A rectangle

• A rhombus

• A parallelogram

• A trapezoid

What is the sum of a quadrilateral's interior angles?

• 180 degrees

• 360 degrees

• 540 degrees

• 720 degrees

Name a shape that has four sides and is a type of quadrilateral.

• Triangle

• Circle

• Rectangle

• Hexagon

What is a trapezoid?

• A polygon with four sides of equal length.

• A quadrilateral with at least one pair of parallel sides.

• A three-dimensional shape with triangular faces.

• A shape with no sides or angles.

What is a square?

• A shape with four equal sides and four right angles.

• A shape with three equal sides and three angles.

• A shape with all sides unequal and no right angles.

• A shape with two pairs of equal sides and no right angles.

If one angle of a quadrilateral is 120° and the other three angles are equal, what is the measure of each of the equal angles?

• 50°

• 60°

• 70°

• 80°