Angles and Quadrilateral Vocabulary v2

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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.


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