Less than 90 degrees

MORE 90 LESS 180

90 DEGREES

180 DEGREES

ACROSS FROM

BESIDE

Two Angles are Complementary if they add up to 90 degrees

Two Angles are Supplementary if they add up to 180 degrees.

WHEN TWO LINES ARE CROSSED ANOTHER

A line that crosses at least two other lines.

A 2-DIMENSIONAL SHAPE MADE BY DRAWING

Half a circle

The distance around the edge of a circle (or any curvy shape).

THE AMOUNT OF SPACE INSIDE THE BOUNDARY OF A FLAT

A STRAIGHT LINE GOING THROUGH THE CENTER OF A CIRCLE CONNECTING

THE DISTANCE FROM THE CENTER TO THE EDGE OF A CIRCLE IT IS HALF

C/D

C/3.14 R2

A SOLID OBJECT THAT HAS TWO IDENTICAL ENDS AND ALL FLAT SIDES.

A SOLID OBJECT WHERE:The base is a polygon (a straight-sided shape)

A SOLID (3-DIMENSIONAL) OBJECT THAT HAS A CIRCULAR BASE AND ONE

A SOLID OBJECT WITH:TWO IDENTICAL FLAT ENDS THAT ARE CIRCULAR

The line where two surfaces meet

Any of the individual surfaces of a solid object.

THE SURFACE THAT A SOLID OBJECT STANDS ON, OR THE BOTTOM

A POINT WHERE TWO OR MORE STRAIGHT LINES MEET. A CORNER.

A view into the inside of something made by cutting through it.

THE TOTAL AREA OF THE SURFACE OF A THREE-DIMENSIONAL OBJECT

The amount of 3-dimensional space an object occupies. Capacity.