Points
How many dimensions does a point have?
0.
A point has no dimension
How many dimensions does a line extend in?
One
How many dimensions does a plane extend in?
Two
Who is known as the "father of Geometry?"
Euclid
Where should cell phones be located during class?
In your bag or pocket.
What two things are used to represent a point?
A dot and a capital letter
What is used to represent a line?
a straight line, two arrowheads, and two letters
What shape is used to represent a plane?
A shape that looks like a tabletop or wall.
What does "Geo" mean in Greek?
Earth
When is ok for me to use my phone during class?
You should not use your cellphone during class. When emergencies do occur, I should ask my teacher if I can use my phone, but not without their permission.
What are points are the same line called?
Collinear
Set of points that have a specific length
Line Segment
What is used to name a plane?
A plane is named by a capital letter or 3 non-collinear points
What is "-Metry" in Greek?
measurement
If I need to get up in class for any reason. What should you do?
Raise your hand and ask for permission.
What are points on the same plane called?
Coplanar
A set of points that extends in one direction?
A Ray
True or False. A plane has no thickness or width.
True
What form of math did the ancient Egyptians use to form the pyramids by calculating area of shapes such as circles, triangles, and rectangles to a high degree of accuracy?
Geometry. The ancient Egyptians used geometric proofs to determine the size and shape of these objects before and during the construction process.
When can you use the restroom?
In between classes and during breaks
What is the name of the point that lies directly in the middle of a line called?
Midpoint
Name this Postulate: If two distinct lines intersect, then they intersect in exactly one point.
Postulate 1-2
Name this Postulate. If two distinct planes intersect, then they intersect in exactly one line.
Postulate 1-3
Around what time (in B.C.) was Geometry first used by ancient Egyptians
Around 2900 B.C.
Take notes, ask questions, be attentive