Angles and Quadrilateral Vocabulary v2
Parallel
What type of lines are these?
Perpendicular
What type of lines are these?
Right angle
An angle that is 90 degrees
obtuse Angle
An angle that is greater than 90 degrees (but less than 180 degrees)
acute Angle
An angle that is less than 90 degrees
complimentary angles
2 Angles that add up to 90 degrees.
supplementary angles
2 angles that up to 180 degrees.
Rectangular Prism
A 3D object with 6 sides that are rectangles.
Cylinder
A 3D shapes with 2 sides that are circles.
vertical or opposite angles
Angles opposite each other are congruent
adjacent angles
Angles that are next to each other
Parallelogram
Give the best name for this polygon.
Quadrilateral
Give the best name for this polygon.
Rectangle
Give the best name for this polygon.
Rhombus
Give the best name for this polygon.
Trapezoid
Give the best name for this polygon.
Square
Give the best name for this polygon. (All the sides are congruent)
parallel lines
Lines that never meet.
Volume
The amount of space inside an object
SA=2πrh+2πr²
The formula for the surface area of a cylinder
SA=2wL+2hL+2hw
The formula for the surface area of a rectangular prism
v=πr²h
The formula for the volume of a cylinder
v=Lwh
The formula for the volume of a rectangular prism.
Diagonal
The line that connects two opposite corners in a shape. The red lines "AC" and "DB" in this shape.
Surface Area
The measure of the area of the surface (the outside) of an object
Congruent
The same
Angle
The space made when two lines meet
Side
This shape has 4 of them. Each one is a line on one direction of the shape.
Bisect
To cut into two equal parts
perpendicular
Two lines that meet at a 90 degree (right) angle
Pair
Two things that are the same or are meant to be together
right angle
an angle that is exactly 90 degrees.
straight angle
an angle that measures exactly 180 degrees.