Diagonals and Line Symmetry

ABCD is a rhombus. What is the size of angle AED?

• 60 

• 45

• 90

• 180

What does it mean to have diagonals bisect each other?

• That go across each other

• The point where diagonals meet is the midpoint

• The angles are congruent

• The full diagonal line is congruent to the other diagonal line

Select all that apply. Which of the following quadrilaterals have two lines of symmetry?

• Parallelogram

• Trapezoid

• Rectangle

• Rhombus

• Square

How many lines of symmetry does this shape have?

• 0

• 1

• 2

• 4

A figure has _______ symmetry when a line (or lines) divide the shape into two equal parts.

• Line

• Rotational

• Point

Which quadrilateral(s) have perpendicular diagonals? Select all that apply.

• Square

• Trapezoid

• Parallelogram

• Rhombus

• Rectangle

What is a line of symmetry?

• A line that splits a shape into 2 identical pieces.

• A line that divides a shape into 2 pieces.

• A line that splits a shape into pieces.

• A line that divides a shape into some pieces.

How many lines of symmetry does a rectangle and rhombus have?

• 0

• 1

• 2

• 4

Line that goes from corner to corner

• Symmetry

• Bisect

• Diagonal

• Congruent

A 4 sided figure that has opposite sides parallel and congruent. All angles are right angles. Diagonals are congruent and bisect each other. Has 2 lines of symmetry.

• Square

• Rectangle

• Trapezoid

• Rhombus