Acute Angle an angle that measure 90 degrees or less.

Ex; Michael Jacksons lean formed an impossible acute angle. Altitude height of an object or

point in relation to sea level or ground level.

Ex; The altitude of this man's fall is too much for his body to stand, so he will likely die. B4,

Ms.Price Francisco Martinez'ssss

Vocabulary Project. A solid or hollow object that tapers

from a circular or roughly circular

base to a point.

Ex; Plankton's dilemma has him stuck with

two ice cream cones... when he only

needs one. Cone Triangle A plane figure with three

straight sides and three angles

Ex; The house was built with a quadrilateral base, and a triangular top. Circle A round plane figure whose boundary

(the circumference) consists of points equidistant from a fixed center

Ex; The circular figure of an oreo cookie

allows for maximum dunkitude. Cylinder A solid geometric figure with straight parallel

sides and a circular or oval section.

Ex; AriZona Green Tea cans are a longer cylinder than coke cans. Decagon -A plane figure with ten straight

sides and angles. Octagon A plane figure with eight straight sides and eight angles.

Stop signs have 8 sides. Hexagon A plane figure with six straight

sides and angles. Ex; Bees make intricate hexagons

to store honey. Line A geometrical object that is straight,

infinitely long Obtuse Angle an angle between 90

and 180 degrees.

Ex; I ordered a large pizza and didn't even finish half, leaving an obtuse angle. Another first world problem. Parallel Lines Two lines on a plane that never meet.

They are always the same distance apart. Perpendicular Lines Lines that are at right angles (90°)

to each other. Pyramid A monumental structure with a square or triangular base and sloping sides that meet in a point at the top Ray A ray is a part of a line that begins at a particular point

(called the endpoint) and extends endlessly in one direction.

A ray is also called half-line. A plane figure with four straight sides and four right angles, esp. one with unequal adjacent sides, in contrast to a square. Rectangle Right Angle An angle of 90°, as in a corner of a square. Rotation the act of rotating; a turning around as on an axis. Scalene Triangle a triangle with no two sides of equal length a rectangle having all four sides of equal length. Square

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# Geometry Vocabulary Project.

Definitions, words, and pictures.

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