Shapes
A quadrilateral with 4 equal sides and 4 right angles.
Opposite sides are parallel.
Square
Two rays with the same end point.
Angle
The point where two sides meet.
Vertex
motion of a certain space that preserves at least one point.
Rotation
½(Base × Height)
Area of Triangle
A polygon with 3 sides and 3 angles.
Triangle
An angle that is 90 degrees
Right Angle
Part of a line with two end points.
Line segment
Moving without rotating, resizing or anything else, just moving
Translations
Base × Height.
Area of a square
A solid shape with one curved surface and two congruent circular bases.
Cylinder
an angle between 90 and 180 degrees
Obtuse Angle
Part of a line that has one end point and goes in one direction without end.
Ray
a transformation that produces an image that is the same shape as the original, but is a different size
Dialations
½(Base1 + Base2) × Height.
Area of a Trapezoid
A solid shape with a polygon as a base and triangular faces that come to a point
Pyramid
a 180 degree angle
Straight Angle
A straight path that goes without end in two directions.
Line
reflected across a line, creating a mirror image.
Reflections
a 2 + b 2 = c 2
Pythagora's theorem
A Quadrilateral with 4 sides and 4 right angles.
Opposite sides are parallel.
Rectangle
an angle between 0 and 90 degrees
Acute Angle
The line that divides two matching parts. It can be vertical, horizontal, or diagonal.
Line of symmetry
a general term for four specific ways to manipulate the shape of a point, a line, or shape.
π(radius)2 = πr2
Area of a circle