## CCSS.MATH.CONTENT.4.G.A.1 - Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.

### Displaying 1 - 50 of 171 resources:

Thumbnail Image Title Description Curriculum Nodes

### Closed Captioned Video: Geometry Applications: Angles and Planes

Closed Captioned Video: Geometry Applications: Angles and Planes

In this program we explore the properties of angles and planes. We do this in the context of two real-world applications.

Applications of Angles and Planes

### Closed Captioned Video: Geometry Applications: Angles and Planes, 1

Closed Captioned Video: Geometry Applications: Angles and Planes, Segment 1: Introduction

The observatory in Arecibo, Puerto Rico provides astronomers insights into the structure of our solar system.

Applications of Angles and Planes

### Closed Captioned Video: Geometry Applications: Angles and Planes, 2

Closed Captioned Video: Geometry Applications: Angles and Planes, Segment 2: Angles

Himeji castle in Japan is a marvel of architecture and a startling example of geometry and military science.

Applications of Angles and Planes

### Closed Captioned Video: Geometry Applications: Angles and Planes, 3

Closed Captioned Video: Geometry Applications: Angles and Planes, Segment 3: Planes

In the Canadian Rockies, the Burgess Shale fossils provide a window to prehistoric Earth.

Applications of Angles and Planes

### Collections in a Box: Parallel and Perpendicular Lines

This cheat sheet gathers together the resources on the topic of parallel and perpendicular lines. See the descriptions and links below. Each link takes you to a collection of resources around that topic.

Geometric Constructions with Points and Lines, Parallel Lines and Perpendicular Lines

### Definition--Angle Concepts--Acute Angle

Definition--Angle Concepts--Acute Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

Definition | Angle Concepts | Adjacent Angles

This is a collection of definitions related to Angles.

Definition of an Angle

### Definition--Angle Concepts--Alternate Exterior Angles

Definition--Angle Concepts--Alternate Exterior Angles

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Alternate Interior Angles

Definition--Angle Concepts--Alternate Interior Angles

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Angle

Definition--Angle Concepts--Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Angle Bisector

Definition--Angle Concepts--Angle Bisector

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Angle Measure

Definition--Angle Concepts--Angle Measure

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Angle Vertex

Definition--Angle Concepts--Angle Vertex

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Central Angle

Definition--Angle Concepts--Central Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Circumscribed Angle

Definition--Angle Concepts--Circumscribed Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Complementary Angle

Definition--Angle Concepts--Complementary Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Congruent Angles

Definition--Angle Concepts--Congruent Angles

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Corresponding Angles

Definition | Angle Concepts | Corresponding Angles

This is a collection of definitions related to Angles.

Definition of an Angle

### Definition--Angle Concepts--Exterior Angle

Definition--Angle Concepts--Exterior Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Inscribed Angle

Definition--Angle Concepts--Inscribed Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Obtuse Angle

Definition--Angle Concepts--Obtuse Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Opposite Interior Angles

Definition--Angle Concepts--Opposite Interior Angles

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Reflex Angle

Definition--Angle Concepts--Reflex Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Right Angle

Definition--Angle Concepts--Right Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Straight Angle

Definition--Angle Concepts--Straight Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Supplementary Angles

Definition--Angle Concepts--Supplementary Angles

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Vertical Angles

Definition--Angle Concepts--Vertical Angles

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Geometry Basics--Line

Line

Definition of a Line

### Definition--Geometry Basics--Line Segment

Line Segment

Definition of a Line

### Definition--Geometry Basics--Midpoint

Midpoint

Definition of a Point

### Definition--Geometry Basics--Point

Point

Definition of a Point

### Definition--Geometry Basics--Ray

Ray

Applications of Points and Lines

### Definition--Triangle Concepts--3-4-5 Right Triangle

3-4-5 Right Triangle

Definition of a Triangle

### Definition--Triangle Concepts--30-60-90 Right Triangles

30-60-90 Right Triangles

Definition of a Triangle

### Definition--Triangle Concepts--45-45-90 Right Triangles

45-45-90 Right Triangles

Definition of a Triangle

### Definition--Triangle Concepts--5-12-13 Right Triangle

5-12-13 Right Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Acute Triangle

Acute Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Area of a Triangle

Area of a Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Base of a Triangle

Base of a Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Centroid of a Triangle

Centroid of a Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Circle Inscribed In a Triangle

Circle Inscribed In a Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Circumcenter of a Triangle

Circumcenter of a Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Congruent Triangles

Congruent Triangles

Definition of a Triangle

### Definition--Triangle Concepts--Equilateral Triangle

Equilateral Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Hypotenuse

Hypotenuse

Definition of a Triangle

### Definition--Triangle Concepts--Incenter of a Triangle

Incenter of a Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Inscribed Triangle

Inscribed Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Interior Angles of a Triangle

Interior Angles of a Triangle

Definition of a Triangle

### Definition--Triangle Concepts--Isosceles Triangle, Definition 1

Isosceles Triangle, Definition 1

Definition of a Triangle

### Definition--Triangle Concepts--Isosceles Triangle, Definition 2

Isosceles Triangle, Definition 2

Definition of a Triangle