Geometry Vocabulary
Published on Nov 19, 2015
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MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
ACUTE ANGLE
AN ANGLE LESS THAN 90 DEGREES
OBTUSE ANGLE
GREATER THAN 90 DEGREES BUT LESS THAN 180 DEGREES
RIGHT ANGLE
AN ANGLE THAT IS 90 DEGREES
STRAIGHT ANGLE
AN ANGLE THAT IS 180 DEGREES
VERTICAL ANGLE
OPPOSITE ANGLES FORMED BY THE INTERSECTION OF TWO LINES
ADJACENT ANGLE
ANGLES THAT HAVE THE SAME VERTEX,A COMMON SIDE,AND DO NOT OVERLAP
COMPLEMENTARY ANGLE
SUM OF ANGLE IS 90 DEGRESS
SUPPLEMENTARY ANGLES
THE ANGLE IS MEASURED TO 180 DEGREES
CORRESPONDING ANGLES
ANGLES IN THE SAME POSITION ON PARALLEL LINES
TRANSVERSAL
THE THIRD LINE FORMED WHEN TWO PARALLEL LINES ARE INTERSECTED
CIRCLE
SET OF ALL POINTS IN PLANE THAT ARE SAME DISTANCE FROM CENTER
SEMICIRCLE
HALF A CIRCLE
CIRCUMFERENCES
THE DISTANCE AROUND A CIRCLE
AREA
THE AMOUNT OF A CLOSED FIGURER
DIAMETER
THE DISTANCE ACROSS A CIRCLE THROUGH ITS CENTER
RADIUS
THE DISTANCE FROM THE CENTER OF A CIRCLE TO ANY POINT ON THE CIRCLE
PI
THE RATIO OF THE CIRCUMFERENCE OF A CIRCLE TO ITS DIAMETER
FORMULA
AN EQUATION THAT SHOWS THE RELATIONSHIP AMONG CERTAIN QUANTITIES
PRISM
A solid with parallel congruent bases which are both polygons
PYRAMID
A polyhedron with a polygonal base and lateral faces that taper to an apex
CONE
A three dimensional figure with a single base tapering to an apex
CYLINDER
A three-dimensional geometric figure with parallel congruent bases
EDGE
One of the line segments making up the framework of a polyhedron
FACES
One of the flat surfaces making up a polyhedron
BASE
In plane geometry or solid geometry, the bottom of a figure
VERTEX
A corner point of a geometric figure
CROSS SECTION
RESULTS FROM CUTTING THROUGH THE SOLID
SURFACE AREA
The total area of the exterior surface of a solid
VOLUME
The total amount of space enclosed in a solid
