M213 Chapter 12 vocabulary Geometry/shapes
12.1 VOCABULARY/NOTATION
Square lattice 588
Line segment 588, 589
Triangle 588
Side 588
Quadrilateral 588
Angle 588, 589
Vertex (vertices) 588
Congruent line segments 588
Equilateral 588
Congruent angles 588
Right angle 589
Scalene triangle 589
Isosceles triangle 589
Equilateral triangle 589
Right triangle 589
Square 589
Rectangle 589
Parallelogram 589
Rhombus 589
Kite 589
Trapezoid 589
Isosceles trapezoid 589
Equiangular 590
SECTION 12.2 Analyzing ShapesVOCABULARY/NOTATION
Reflection symmetry 600
Line of axis symmetry 600
Base angles 602
Mira 602
Rotation symmetry 602
Diagonal 605
Simple closed curve 607
Polygon 607
Regular polygon 607
Regular n-gon 607
Convex 607
Concave 607
Vertex angle 608
Interior angle 608
Central angle 608
Exterior angle 608
Circle 608
Center 608
Radius 608
Diameter 608
Compass 608
SECTION 12.3 Properties of Geometric Shapes: Lines and AnglesVOCAB.
Plane 615
Point, A 615
LineAB, 615
Collinear points 615
Parallel lines, l _ m 615
Concurrent lines 615
Distance, AB 616
Coordinates 616
Between 616
Line segment, 616
Endpoints 616
Length 616
Midpoint 616
Equidistant 616
Ray, 616
Angle, ∠ABC 616
Vertex of an angle 616
Sides of an angle 616
Interior of an angle 617
Exterior of an angle 617
Adjacent angles 617
Protractor 617
Degrees 617
Measure of an angle, m(∠ABC) 617
Acute angle 617
Right angle 617
Obtuse angle 617
Straight angle 617
Reflex angle 617
Vertical angles 618
Supplementary angles 618
Perpendicular lines, l ⊥m 618
Complementary angles 618
Transversal 618
Corresponding angles 618
Alternate interior angles 619
Triangle, _ABC 619
Right triangle 620
Obtuse triangle 620
Acute triangle 620
SECTION 12.4 Regular Polygons and Tessellations
VOCABULARY/NOTATION
Regular polygon 628
Polygonal region 630
Tessellation 630
Regular tessellation 632
Vertex arrangement 632
Semiregular tessellation 633
SECTION 12.5 Describing Three-Dimensional Shapes
VOCABULARY/NOTATION
Dihedral angle 641
Faces of a dihedral angle 641
Skew lines 642
Polyhedron (polyhedra) 642
Convex polyhedron 643
Faces 643
Edges 643
Vertices 643
Prisms 643
Bases 643
Lateral faces 643
Right prism 643
Oblique prism 643
Pyramid 643
Apex of a pyramid 643
Right regular pyramid 644
Oblique regular pyramid 644
Regular polyhedron 644
Platonic solids 644
Euler’s formula 644
Semiregular polyhedron 645
Cylinder 645
Base of a cylinder 645
Right circular cylinder 645
Oblique cylinder 645
Cone 646
Apex of a cone 646
Base of a cone 646
Right circular cone 646
Oblique circular cone 646
Sphere 646
Center 646
Radius 646
Diameter 646