LESS THAN 90 DEGREES

GREATER THAN 90* BUT LESS THEN 180*

AN ANGLE THAT MEASURES EXACTLY 180*

AN ANGLE THAT IS POINTED RIGHT

A PAIR OF ANGLES OPPOSITE EACH OTHER, FORMED BY TWO INTERSECTING STRAIGHT LINES THAT FORM AN "X"-LIKE SHAPE,

Adjacent angles refers to a pair of angles tht share a common vertex

THER OF TWO ANGLES WHOSE SUM IS 90°.

supplementary angles - two angles that add to 180 degrees.

When two lines are crossed by another line (called the Transversal)

In geometry, a transversal is a line that passes through two lines in the same plane at two distinct points.

a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point

half of a circle; the arc from one end of a diameter to the other

the enclosing boundary of a curved geometric figure,

the extent or measurement of a surface

a straight line passing from side to side through the center of a body or figure,

a straight line from the center to the circumference of a circle or sphere.

the numerical value of pi.

a mathematical relationship or rule expressed in symbols.

a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures

an object, shape, or arrangement in the form of a pyramid.

A SOLID OR HOLLOW OBJECT THAT TAPERS FROM A CIRCULAR OR ROUGHLY CIRCULAR BASE TO A POINT.

a solid geometric figure with straight parallel sides and a circular or oval section

the outside limit of an object, area, or surface

The surface of a thing

the lowest part or edge of something

the top or highest part of something, esp. one forming a point

a surface or shape that is or would be exposed by making a straight cut

the outside part or uppermost layer of something

the amount of space that a substance or object occupies