Definitions
Angles
Symmetry
Which Geometric Property?
Name that shape.
100
A two-dimensional closed figure made up of straight lines.
What is a POLYGON.
100
The space (usually measured in degrees) between two intersecting lines close to the point where they meet.
What is an ANGLE.
100
It has an order of rotational symmetry of four.
What is a SQUARE.
100
Square and rectangle
What is:
4 right angles
Both convex polygons
at least 2 parallel sides
4 sides
at least 2 lines of symmetry
at least an order of 2 of rotational symmetry.
100
It is not an irregular polygon.
It has four right angles.
It has two sets of parallel sides.
What is a SQUARE.
200
The geometric property describing a figure with equal sides and equal angles.
What is a REGULAR POLYGON.
200
An angle that is less than 90 degrees.
What is an ACUTE ANGLE.
200
The number of lines of symmetry of a rectangle.
What is TWO.
200
Right angle trapezoid and Rectangle.
What is:
At least one right angle
4 sides
At least one set of parallel sides
Convex
200
It is a regular polygon.
It does not have any obtuse angles.
It has an order of rotational symmetry of two.
What is a RECTANGLE.
300
A polygon with at least one vertex that appears to be pushed in towards the inside of the polygon.
What is a CONCAVE POLYGON.
300
An angle that is more than 90 degrees but less than 180 degrees.
What is an OBTUSE ANGLE.
300
Three shapes with no order of rotational symmetry.
What are
Isosceles Triangle
Isosceles Trapezoid
Kite
Right angle trapezoid
Right angle triangle
300
Square, Equilateral Triangle and Hexagon.
What is:
Regular polygons
Convex
At least an order of 3 of rotational symmetry
At least 3 lines of symmetry
300
It has three acute angles.
It has three lines of symmetry.
It does not have any parallel sides.
What is an EQUILATERAL TRIANGLE.
400
The definition of Parallel Sides.
What are two lines/sides that never intersect or touch.
Always equidistant to each other.
(Train Tracks)
400
An intersection of two perpendicular straight lines.
What is a RIGHT ANGLE.
400
True or False?
A rhombus has 1 line of symmetry.
What is FALSE.
400
Parallelogram and Isosceles trapezoid and Regular Pentagon.
What is:
At least two obtuse angles
Convex
400
It has two pairs of parallel sides.
It has an order of rotational symmetry of two.
It does not have any lines of symmetry.
What is a PARALLELOGRAM.
500
The definition of Rotational Symmetry.
What is the number of times an object fits onto itself during a full rotation of 360 degrees.
500
A Regular Pentagon has an order of 5 of rotational symmetry. What is the size of the angle between each turn?
What is 72 DEGREES.
500
The shape with more lines of symmetry and a higher order of rotational symmetry is a hexagon, decagon or an octagon?
What is a DECAGON.
500
The five geometric properties used for classifying polygons.
What are:
Angles (obtuse, acute, right)
Regular/Irregular Polygons
Convex/Concave Polygons
Sides (Parallel/number of sides)
Symmetry (lines of symmetry/ order of rotational symmetry).
500
It is a concave regular polygon.
It has more than 4 sides.
It does not have more than 5 lines of symmetry.
What is a STAR.