a round plane figure
What is a circle
What does it mean when something absorbs the light of another image
Reflection
a piece of a line having two endpoints
Line Segment
a simple dot with no width or size
What is a point
What is the distance around the edge of the shape
what is a perimeter
a plane figure with four sides and four right angles
What is a Rectangle
when you split an object into two parts with a line
What is Symmetry
points that lie on the same line
what is Collinear
The space between the two intersecting lines
what is an Angle
A straight one-dimensional figure
what is a Line
a triangle that consists of a 90-degree angle
What is a right triangle
the enclosing boundary of a curved geometric figure
what is Circumference
What is an angle that is 180 degrees
what is a Straight angle
what are two angles whose sum is 180 degrees
what are supplementary angles
if there is 6f and f=8
What is 48
lines that intersect at a right or 90-degree angle
what are perpendicular lines
any set of straight lines passing through one point
what is a Ray
What is greater than 90 degrees but less than 180 degrees
what is an Obtuse angle
two angles whose sum is 90 degrees
what are Complementary angles
180+?=360
What is 180
What are equal in distance and on the same plane. However, they never meet.
what is Parrallel Lines
a linear distance around a circle
Circumscribed circle
What is a polygon with 5 sides and angles
what is a Pentagon
angles that are opposite from each other where two lines cross
what are Vertical angles
90+?+90+?=360
What is 90 and 90