Show:
2D Polygons
Angles
Problems
Quadrilaterals
2D Geometry Terms
100

What shape has 4 vertices, 4 sides, and 2 pairs of parallel lines?

Rectangle

100
How much does a right angle measure?
90 degrees
100

How many lines of symmetry does a square have?

A square has 4 lines of symmetry.

100
True or False: Some quadrilaterals can have 5 sides.
False
100

What does it mean if a shape has perpendicular sides?

The sides meet to form a 90 degree (right) angle.

200

What are any 4 sided polygons called?

Quadrilaterals

200
What do you call an angle that is smaller than a right angle?
An acute angle.
200
I have 4 sides I have 2 pairs of parallel lines I have 4 right angles I have 2 lines of symmetry Who am I?
Rectangle
200

Name a quadrilateral with NO right angles.

Trapezoid, rhombus or parallelogram

200

What does a line of symmetry do?

It splits (divides) a 2D polygon into 2 equal parts (in half).

300

What is a polygon?

A closed shape, 2D shape, with only straight edges

300
True or False: If an angle reads 120 degrees, it is considered an acute angle.
False --> Obtuse angle
300

Name 3 letters in the alphabet that have a line of symmetry.

A, E, T, I, D, B, H, M, X, ...

300

True or False: A triangle is a quadrilateral.

False --> a triangle has three sides

300

What makes 2 lines parallel?

They are straight lines, equal distance apart from each other and will never touch no matter how long they are.

400

What shape has 3 sides, 3 vertices,  and 1 line of symmetry?

Triangle

400
What is the tool called to measure angles?
A Protractor
400

I have 4 sides, 1 pair of parallel sides and no right angles. I have 1 line of symmetry. Who am I?

Trapezoid

400

How many pairs of parallel lines does a trapezoid have?

1 pair

400

Name 3 types of triangles.

Acute, obtuse, right, scalene, isosceles and equilateral

500

How many lines of symmetry does an equilateral triangle have?

3 lines of symmetry

500

True or False: All quadrilaterals have 4 right angles.

False

500

How many lines of symmetry does a circle have?

Infinite

500

Name 3 types of quadrilaterals.

Rhombus, Square, Rectangle, Trapezoid, Parallelogram

500

What is a parallelogram?

2 sets of parallel lines, 4 vertices, 4 sides, polygon