LESS THAN 90 DEGREES.

MORE THAN 90 DEGREES, LESS THAN 180 DEGREES.

AN ANGLE THAT MEASURES EXACTLY 90 DEGREES.

AN ANGLE THAT MEASURES EXACTLY 180 DEGREES.

EACH OF THE PAIRS OF OPPOSITE ANGLES MADE BY TWO LINES CROSSING

they have a common side and a common vertex

Two angles whose measures add up to 90 degrees.

ANGLES THAT add up to 180°. together they make a straight angle.

WHEN TWO LINES ARE CROSSED BY ANOTHER (CALLED THE TRANSVERSAL)

A LINE THAT CROSSES AT LEAST TWO OTHER LINES.

A 2-DIMENSIONAL ROUND SHAPE

HALF OF A CIRCLE

The distance around the edge of a circle

THE AMOUNT OF SPACE INSIDE THE BOUNDARY OF A SHAPE

A LINE GOING THROUGH THE CENTER OF A CIRCLE

HALF OF A CIRCLE'S DIAMETER

The ratio of a circle's circumference to its diameter

A TYPE OF EQUATION THAT SHOWS THE RELATIONSHIP BETWEEN VARIABLES

SOLID OBJECTS THAT HAVE TWO IDENTICAL ENDS AND ALL FLAT SIDES

FIGURE WITH A POLYGONAL BASE AND TRIANGULAR FACES THAT MEET

A solid object that has a circular base and one vertex

a solid figure with straight parallel sides and a circular section

The line where two surfaces meet

Any of the individual surfaces of a solid object

The surface that a solid object stands on

POINT WHERE TWO OR MORE LINES MEET

the shape made when a solid is cut through parallel to the base

The total area of the surface of a three-dimensional object

Capacity