Vector Showing Force at Angle of 20 degrees
OP is a vector (directed quantity) showing the force by a weight acting on it at an angle of 20 degrees.
Angle of Elevation
Illustration showing an angle of elevation from a horizontal line to a line of sight.
Angle of Depression
Illustration showing an angle of depression from a horizontal line to a line of sight.
Triangular City Block With Angles and Lengths
Illustration showing an angle of 23 degrees 40 minutes making a triangle in a city block and marking…
Survey of Lake Front in Chicago
Illustration showing a survey on the lake front in Chicago with distances and angle measures shown.
Regular Pentagon With Circle Inscribed
Illustration showing a circle inscribed in a regular pentagon. Or, a regular pentagon circumscribed…
Right Triangle For Finding Distance Across a River
Right triangle ABC with angles A, B, C to be used for finding distance across a river. This is a trigonometry…
Circle With 36 degree Angles and Radius 1.5 in.
Circle with 36 degree angles marked. This diagram can be used with the following trig problem: Locate…
Circle With a Chord of 2 ft. and a Radius of 3 ft.
Circle with chord AB=2 ft. and radius OA = 3 ft.. Triangle AOC is a right triangle. Angle AOC=half angle…
Roof With 30 degree Inclination for Trigonometry Triangle Problems
Roof with a slope of 30 degrees. Angle theta is the inclination to the horizontal of the line AB, drawn…
Two Squares With Sides of Lengths 3,4,5 Placed at Right Angles to Each Other
Two set squares, whose sides are 3,4, and 5 in., are placed so that their 4-in. sides and right angles…
Circle With Center o and Radius r with point P
Circle modeling the earth. O is the center of the earth, r the radius of the earth, and h the height…
Curve in Pavement of Road
Illustration of blueprint used by highway engineers to widen the pavement on the inside of the curve…
Coordinate Axis With Angles, Lines, and Perpendiculars Drawn
Coordinate axis with angle XOP equal to theta, Θ, and angle XOQ=180 - Θ. From any point in the terminal…
Coordinate Axis With Perpendiculars Drawn To Form Similar Right Triangles
Angle XOP=Θ and angle XOQ=90+Θ. From a point in the terminal side of each a perpendicular line is…
Coordinate Axis With Perpendiculars Drawn To Form Similar Right Triangles From Positive and Negative Theta, Θ
Angle XOP=Θ and angle XOQ=- Θ. From a point in the terminal side of each a perpendicular line is drawn…
Right Triangle OCB With, x, y, and r shown
Right triangle OCB that can be used to show the relationships between x, y, r, and Θ.
Angles Used to Illustrate Sum and Difference of Two Angles
Angles used to illustrate the sum and difference of two angles and trig identities.
Resultant Vector With Vectors at 90 degrees
Illustration of the resultant vector when two vectors are acting upon a body at point P at 90 degrees.
Resultant Vector With Vectors at Angle Ǝ
Illustration of the resultant vector when two vectors are acting upon a body at point P at Ǝ degrees.
