Quadrilateral and Triangles

Which of the following represents sides of a triangle?

• 2 cm, 3 cm, 5cm

• 3 cm , 5 cm, 6 cm

• 4 cm, 5 cm, 12 cm

The line segment joining the opposite vertices of a quadrilateral is called_______.

If all the angles of a quadrilateral are equal then each angle measures _______ degree.

A triangle whose all sides are of different lengths is called a/an ______ triangle

Determine the correct reason for statement #4.

• opposite sides of a parallelogram are congruent theorem

• all sides are parallel

• sides are congruent

• sides are supplementary

Is the quadrilateral a parallelogram? If yes, state how you know.

• Opposite sides equal

• Diagonals bisect each other

• Opposite angles equal

• Not enough info

Determine the correct reason for statement #3.

• Alternate Interior Angles Theorem

• Alternate Exterior Angles Theorem

• Same- Side Angles Theorem

• Congruent Angles Theorem

Name that shape. 

• square

• square
  rhombus

• quadrilateral
  parallelogram
  rhombus

• quadrilateral
  parallelogram
  square

Given this information, which quadrilateral is proven?

• Parallelogram

• Rectangle

• Rhombus

• Square

Which statement about the diagonals of a parallelogram is ALWAYS true?

• The diagonals of a parallelogram are congruent.

• The diagonals of a parallelogram are perpendicular.

• The diagonals of a parallelogram bisect each other.

• The diagonals of a parallelogram bisect opposite angles.