Numerous clipart illustrations that can be used when teaching the concept of proportionality. A proportion is an equation stating that two ratios are equal. Images are of similar figures, including those that can be used in application problems.
|
Ladders, 2 Leaning Against a Tree
Illustration of 2 ladders leaning against opposite sides of a palm tree to form similar right triangles. The angles of elevation from the ground to where the ladders meet the tree are congruent. Illu... |
|
Ladders, 3 Leaning Against a Wall
Illustration of 3 ladders leaning against the side of a building (wall) to form right triangles. The distance from the base of the ladders to the wall is the same for all three ladders.... |
|
Lever and Fulcrum
Illustration of a lever with fulcrum F. W represents the weight lifted, P is the force that does the lifting, D is the distance from the fulcrum to the point of application of the force, and d is the... |
|
Lever, Hammer Used as a
Illustration of a hammer being used as a lever. F represents the fulcrum. ... |
|
Lever, Steel-yard Used as a
Illustration of an ordinary steel-yard being used as a lever. F represents the fulcrum. Weight P is used to balance weight W.... |
|
Lines, parallels cut by transversals
Illustration that shows if two parallel lines are cut by three or more transversals that pass through the same point, the corresponding segments are proportional.... |
|
Lines, parallels cut by transversals
Illustration that shows if two parallel lines are cut by three or more transversals that pass through the same point, the corresponding segments are proportional.... |
|
Measuring Tree Height
A man measuring the height of a tree by determining the angle and how far away he is standing.... |
|
Pentagons, Similar
Illustration of 2 similar pentagons.... |
|
Pentagons, Similar
Illustration of 2 similar pentagons.... |
|
Polygons, similar
Illustration that shows similar polygons (pentagons) that can be used to show proportionality.... |
|
Polygons, similar pentagons
Illustration that shows similar polygons (pentagons) that can be used to show proportionality.... |
|
Pressure, Hydraulic Machine Exerting
Illustration of a hydraulic machine. "A principle known as Pascal's Law states that pressure exerted on a liquid in a closed vessel is transmitted equally and undiminished in all directions." If a, ... |
|
Proportions, angle bisector of triangle dividing opposite side
Illustration to show that an angle bisector of a triangle divides the opposite side into segments which are proportional to the adjacent sides.... |
|
Proportions, exterior angle bisector of triangle
Illustration to show that a bisector of a an exterior angle of a triangle divides the opposite side into segments which are proportional to the adjacent sides.... |
|
Proportions, parallel lines cut by parallels and nonparallels
Illustration to show that if parallel lines are cut by any number of parallels, the corresponding intercepts are proportional.... |
|
Proportions, triangle with lines drawn to form proportionate triangles
Illustration to show that if a line is drawn through two sides of a triangle parallel to the third side, it divides those sides proportionally.... |
|
Proportions, triangle with lines drawn to form proportionate triangles
Illustration to show that if a line divides two sides of a triangle proportionally, it is parallel to the third side.... |
|
Stepladder, Open
Illustration of a stepladder that is opened to form an isosceles triangle with the ground.... |
|
Tree, Palm Perpendicular to Ground
Illustration of a palm tree that is perpendicular to the ground. The tree is perfectly straight, as is the ground. This drawing could be used for shadow, proportion, trigonometric, or Pythagorean Th... |
|
Trees, using proportions to find heights of
Triangle diagram for measuring heights of trees using proportions.... |
|
Trees, using proportions to find heights of
Triangle diagram for measuring heights of trees using proportions... |
|
Triangle, inscribed in semicircle with mean proportional
Right triangle inscribed in semicircle. Illustration shows that the perpendicular from any point in the circumference to the diameter of a circle is the mean proportional between the segments of the ... |
|
Triangles, similar
Illustration that shows two mutually equiangular triangles are similar.... |
|
Triangles, similar
Illustration that shows that two triangles which have their sides respectively parallel, or respectively perpendicular, are similar.... |