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Terms & Definitions Drafting & Design Technology Unit 2
Drawing media Any type of drawing material upon which an object is graphically represented
Horizontal Parallel to the plane of the horizon
Lead Made of graphite with kaolin (clay) added in varying amounts in order to make the eighteen grades from the hardest to (9H) to the softest (7B)
Parallel Two lines or surfaces side by side, equal distance apart at all points
Perpendicular At a 90 angle to a given plane or line
Vertical A line straight up and down, perpendicular to the horizontal plane
Working Surface Any surface such as a drafting board or desk used to secure drawing media
The Elements Definition 10 When a straight line standing on a straight line makes the adjacent angles equal to one another, each of the equal angles is.
Parallel Lines Definition: –2 lines in the same plane that do not intersect Example: –m // n m n.
Lines and Angles Ray Congruent Equal in size and shape.
Study Guide. a) Two angles multiplied together to equal 90 b) Two angles added together to equal 180 c) Two angles added together to equal 90 d) Two angles.
Lesson 18Power Up DPage 114 Lines and Angles. Lines – No end, extends in both directions forever. Segments – Two endpoints, length can be measured. Lines.
Lines Identifying Different Types of Lines. LINES There are many different types of lines. Can you think of any? vertical horizontal diagonal perpendicular.
Types of Lines lines, segments, rays, points, angles, intersecting, parallel, & perpendicular.
Geometry 3-6 Parallel, Perpendicular, Horizontal, and Vertical Lines.
Section 6.6 Parallel and Perpendicular Lines. Definitions Lines that lie in the same plane and never intersect are called parallel lines. All vertical.
Two Simple Machines. Inclined Plane An inclined plane is a slanting surface connecting a lower level to a higher level.
3.8 Slopes of Parallel and Perpendicular Lines. Parallel Lines If two nonvertical lines are parallel, then their slope is the same. If the slopes of two.
Geometry (Lines) SOL 4.14, 4.15, 4.16 lines, segments, rays, points, angles, intersecting, parallel, & perpendicular 4.14The student will investigate and.
PERPENDICULAR AND PARALLEL LINES PARALLEL LINES Parallel lines are lines that do not intersect. No matter how far you extend them, they will never meet.
Blake l’s Unit 5 Vocab By: Blake L.. How many degrees in a triangle? There is always exactly 180 degrees in a triangle.
Mechanics of Mass Wasting An object resting on a horizontal surface will move only when it encounters a force acting parallel to the horizontal surface.
Geometric Lines. You Can Find Geometric Lines in the Real World On Roads In Art On Our Flag In Games On Maps.
3-8 Slopes of Parallel and Perpendicular Lines. Slopes of Parallel Lines If two nonvertical lines are parallel, then their slopes are equal If the slopes.
Introduction to Perspective Projection. Perspective Projection is a geometric technique used to produce a three- dimensional graphic image on a plane,
We have to distinguish between: › Artistic drawing No rules Express feelings and emotions › Technical drawing International standards (rules)
2.2 Parallel and Perpendicular Lines and Circles Slopes and Parallel Lines 1. If two nonvertical lines are parallel, then they have the same slopes. 2.
Geometry Point Line Line segment Ray Plane Parallel lines
MATH VOCAB UNIT 3 BY LEXI. ACUTE ANGLE Acute Angle- An angle that measures between 0° and
Refraction of light through a Convex Lens. Lens diagram a cross section through the centre plane.
Geometry. Definitions Geometry Definitions 1.straight angle - 180º.
Linear Functions Lesson 2: Slope of Parallel and Perpendicular Lines.
Polygons Only one of these is a polygon. Do you know? A polygon MUST be a closed figure.
Geometry By: Daanan Hall Points Example: C A point is an exact location. This is an example of a point.
Flashback. 1.2 Objective: I can identify parallel and perpendicular lines and use their postulates. I can also find the perimeter of geometric figures.
Warm Up Given: (3, -5) and (-2, 1) on a line. Find each of the following: 1.Slope of the line 2.Point-Slope equation of the line 3.Slope-Intercept equation.
Vocabulary Sheets Why??? Do I have to?? Code. Angle [definition] Formed by two rays with the same endpoint [picture or example of term] [symbol]
Slope and Parallel Lines Sections 4.5 & 4.6. Definitions A plane is a surface such that if any two points on the surface are connected by a line, all.
Hexagonal Prism. Cut Hexagonal Prism - Question The given views show the Front Elevation and Plan of a cut hexagonal prism. Draw the following views :-
Geometry Area of mathematics dealing with solids, surfaces, points, lines, curves, & angles and their relationships in space.
Writing Linear Equation in Standard Form. Section 5.4 – Standard Form of a Linear Equation The Standard Form of a linear equation has both variables on.
How to make a portrait template By Carlin Bright ACT-IED-8. Students will demonstrate use of proper line types a) Demonstrate the ability to perform a.
By: Student #2. Four properties Equidistant Have same slope Do no intersect Lies on the same plane.
HORIZONTAL and VERTICALVERTICAL LINES. When the ball is put on a Horizontal surface it does not roll off If the surface is tilted and is not horizontal.
HORIZONTAL and VERTICALVERTICAL LINES. Parallel lines all go in the same direction Perpendicular lines meet at 90º.
Using properties of Midsegments Suppose you are given only the three midpoints of the sides of a triangle. Is it possible to draw the original triangle?
Notecards Unit 3 Parallel and Perpendicular Lines Distance and Midpoint Equations for Lines.
Unit 19 INTRODUCTION TO PLANE GEOMETRY. 2 GEOMETRY DEFINED Plane geometry deals with points, lines, and various figures that are made of combinations.
Auxiliary Views Engineering Graphics Stephen W. Crown Ph.D.
Welcome To Sports Challenge! Academic Vocabulary Teachers: With PowerPoint open, (1) go to the Tools dropdown menu, (2) select Macro, (3) select Security,
I can apply the midpoint formula. Day 3 I can understand the concept of slope. 1. On the same coordinate plane, draw the following: a) the line through.
Forces in 2D Chapter Vectors Both magnitude (size) and direction Magnitude always positive Can’t have a negative speed But can have a negative.
The amount of reflection depends on how different the media are.
Angles. Labelling line segments When a line has end points we say that it has finite length. It is called a line segment. We usually label the end points.
HW #17 pg. 194 #5-7, 15-17, 21, 26, 29. Theorem 3.8 If two lines intersect to form two congruent angles that are a linear pair, then the lines must.
VOCABULARY UNIT 3. PARALLEL LINES Lines on the same plane that never intersect.
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