2olsdev

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Chap. 6.1 isometric drawing- † A **isometric drawing** is best described When the horizontal line of an object are rep. by lines that form 30° angle-[|Gyro ball]

† A **orthographic projection** is a veiw in an object that make points of an object "projected" on to perpendicular lines

Chap 6.2 olsdev † A **Polyhedron** is ushally called the faces of the polygon. † A **Dihedral angle** is a figure that is formed by 2 half plane angles.

chap. 6.3 olsdev [|cool math dictionary]

† **Right Prism** is a prism where every side is formed by rectangles. † **Oblique prism** will have on nonrectangular side † **Diagonal of a right rectangular prism-** in every right rectangular prism with LxWxH the diagonal will be D=L²xW²xH²

chap. 6.4 coordinates and dimensions olsdev-[|three dimentional]

Objectives- identifying an three-dimentional coordinate system -solving problems using a distance formula

RIGHT HANDED SYSTEM- with a right hand you use your index finger rep. the x-axis, your middle finger as y-axis, and thumb as the z-axis

OCTANTS- This is where all three cordinates of a point are positive

COORDINATE PLANE- A pair of axis will determine them

6.5 chap. by olsdev OBJECTIVES -This will use equations of a line, equation of a plane in space, and show how to solve the problems

chap. 6.6 by olsdev-[|vanishing points] OBJECTIVES -This will show some concepts of perspective drawing, and help you make your own perspective drawings. - The main concept to this is use of vanishing points, this is where parallel lines will seem to meet, often on an horizon