Chapter 8: Informal Geometry
Section 8.2: Lines, Planes, and Angles [Oh My! ]
Relations among Lines and Planes
Parallel Planes: If the intersection of two distinct planes is _, the planes are said to be
_.
Angle: An angle is the _ of two _ that have the s
Chapter 8: Informal Geometry
Section 8.4: Simple Closed Surfaces
Visualizing Three-Dimensional Figures
Simple closed surface: a defined region in space without any holes through it; must separate the points
of space into three disjoint sets of points: int
Chapter 8: Informal Geometry
Section 8.3: Simple Closed Curves - Answers
Simple Closed Curves
Plane curve: a set of points that can be drawn without lifting the pencil
Simple: without lifting the pencil , do not retrace any of its points
Closed curve: dra
Chapter 9: Measurement and the Metric System
Section 9.4: Other SI Units of Measure
SI System Advantages
Conversions between volume, capacity, and mass: In the metric system conversions between volume,
capacity, and mass are based on the following equival
Chapter 9: Measurement and the Metric System
Section 9.1: Congruence, Linear Measure, and Measurement
The Measurement Process
Measurement: process by which numerical values are assigned to geometric entities; ALL
measurements are estimates to some order o
Chapter 9: Measurement and the Metric System
Section 9.2: Two-Dimensional Measure and Formulas for Area
Area
Area: a number that gives the measure of a region (or the interior of a closed curve)
Units: units for area are squared linear units; acre is an e
Chapter 9: Measurement and the Metric System
Section 9.2: Two-Dimensional Measure and Formulas for Area
Area
Area: a number that gives the measure of a _ (or the _ of a closed curve)
Units: units for area are _ linear units; acre is an example of an area
Chapter 8: Informal Geometry-Answers
Section 8.1: An Introduction to Geometry
Points and Lines
Points: no length, width, or height
Space: set of all points
Line: a particular set of points in space; has length but no width or height
Plane: another set of
Chapter 9: Measurement and the Metric System
Section 9.1: Congruence, Linear Measure, and Measurement
The Measurement Process
Measurement: process by which _ values are assigned to geometric entities; ALL
measurements are _ to some order of precision.
Ste
Chapter 8: Informal Geometry
Section 8.4: Simple Closed Surfaces
Visualizing Three-Dimensional Figures
Simple closed surface: a defined region in space without any _ through it; must separate the
points of space into three _ sets of points: interior, _, a
Chapter 10 Coordinate Geometry and Transformations
10.1: Introduction to Reflections or Flips and Coordinate Geometry
Coordinate System
o Origin (0,0): where the axis intersect
o Abscissa x-axis: horizontal axis (x,0)
o Ordinate y-axis: vertical axis (0,
Chapter 8: Informal Geometry
Section 8.1: An Introduction to Geometry
Points and Lines
Points: no length, width, or height
Space: set of all points
Line: a particular _ of points in space; has length but no width or height
Plane: another _ of points in _;
Chapter 8: Informal Geometry
Section 8.3: Simple Closed Curves
Simple Closed Curves
Plane curve: a set of _ that can be drawn without _ the pencil
Simple: without lifting the _ , do not retrace _ of its points
Closed curve: drawn by _ and _ at the same po
Chapter 9: Measurement and the Metric System
Section 9.4: Other SI Units of Measure
SI System Advantages
Conversions between volume, capacity, and mass: In the metric _ conversions between
volume, _, and _ are based on the following equivalency: 1 cm3 = 1
Chapter 8: Informal Geometry - Answers
Section 8.2: Lines, Planes, and Angles [Oh My! ]
Relations among Lines and Planes
Parallel Planes: If the intersection of two distinct planes is empty, the planes are said to be parallel.
Angle: An angle is the union