2d and 3d shapes
What is the difference between 2D and 3D shapes?
2d = shape is completely flat
3d = three dimensional, and has three dimensions to it.
Is a circle a polygon?
No, a circle is not a polygon.
Can the octagon make a tesselation pattern?
(switch to tab)
No
90 degrees
True or False an intersection is when 3 or more lines cross over each other, therefore sharing a common point.
False.
An intersectionon is when two or more lines cross each other, therefore sharing a common point.
Why is a circle NOT a polygon?
A polygon needs 2 OR MORE sides, and a circle on has one.
Does this artwork show tesselation?
Yes!
Do parallel lines intersect?
No parallel lines can never intersect otherwise they aren't parallel!
A polygon needs to have _ or more sides to be considered a polygon.
A polygon needs to have TWO or more sides to be considered a polygon.
What is a polygon with 8 sides called?
Octagon
Can the square make a tesselation pattern?
(switch to tab)
Why do we add dots at the end of a line?
It shows us that this is where the line ends.
How many faces does a cube have?
6 faces
How many interior angles are inside a polygon?
4!
Can the star make a tesselation pattern?
(switch to tab)
No it can!
Why do we add arrows at the end of some lines? What does it show us.
It shows us that the line goes on and on forever
How many VERTICES does a cube have?
(hint it's not edges, it's VERTICES)
8 vertices
The sum of interior angles of a quadrilateral is...
360 degrees!
Does this artwork show tesselation?
No it doesn't.
Identify, are lines P and Q parallel and explain why? Is L perpendicular to P and Q?
Lines P and Q are parallel, and L is perpendicular to P and Q, because it intersects at a 90-degree angle.