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Geometry Triangles |
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Angle, bisector or in isosceles triangle Illustration to show that the bisector of the vertical angle of an isosceles triangle bisects the base, and is perpendicular to the base.... |
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Area of Triangle "The triangle ABC is divided into 2 right triangles I and II. ABC is seen to be equal to 1/2 of the rectangle ABNO." -Foster, 1921... |
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Area of Triangle "The child sees triangle ACB = triangle ADB, and that I + II = CA - DB; and so he sees that the area of triangle=1/2 area of rectangle whose base and altitude are the same as those of the triangles." ... |
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Area of Triangle "Fig. 3 shows triangle I = triangle II, III = IV, and so triangle ABC = 1/2 of rectangle ABDE. The fact is realized that the area of a triangle equals 1/2 the product of the base and altitude." -Foste... |
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Equilateral An equilateral triangle is one having all of its sides equal.... |
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Equilateral Triangle, Centers Of Illustration of an equilateral triangle that shows both the centroid (where the medians of the sides meet) and the incenter (where the angle bisectors meet).... |
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Equilateral Triangles, 10 Congruent Rotated Illustration of 10 congruent equilateral triangles that have the same center. Each triangle has been rotated 12° in relation to the one next to it. ... |
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Equilateral Triangles, 2 Concentric Illustration of 2 concentric equilateral triangles.... |
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Equilateral Triangles, 2 Concentric Illustration of 2 concentric equilateral triangles.... |
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Equilateral Triangles, 20 Congruent Rotated Illustration of 20 congruent equilateral triangles that have the same center. Each triangle has been rotated 6° in relation to the one next to it. ... |
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Equilateral Triangles, 3 Concentric Illustration of 3 concentric equilateral triangles that are equally spaced.... |
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Equilateral Triangles, 4 Concentric Illustration of 4 concentric equilateral triangles that are equally spaced.... |
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Equilateral Triangles, 5 Congruent Rotated Illustration of 5 congruent equilateral triangles that have the same center. Each triangle has been rotated 24° in relation to the one next to it. ... |
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Ladder, Leaning Against a Tree Illustration of a ladder leaning against a palm tree, that is perpendicular to the ground, to form a right triangle . ... |
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Lake, Using Triangles To Measure Illustration that uses triangles to measure the distance across a lake.... |
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Lake, Using Triangles To Measure Illustration that uses triangles to measure the distance across a lake.... |
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Median, triangle Triangle with medians drawn. ... |
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Pentagon, triangular sections of Pentagon with dimensions labeled. Pentagon can be used to calculate area by calculating individual triangles and finding the sum of the areas.... |
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Polygon, 3-sided Polygon consisting of 3 sides... |
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Polygon, triangular Triangle, triangular polygon... |
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River, Using Triangles To Measure Illustration that uses triangles to measure the distance across a river.... |
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River, Using Triangles To Measure Illustration that uses triangles to measure the distance across a river.... |
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River, Using Triangles To Measure Illustration that uses triangles to measure the distance across a river.... |
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Scalene A scalene triangle is one having no two of its sides equal.... |
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Square An illustration of a square and triangles within the square. This is an example of a problem that can be used to fine the distances of two inaccessible objects without measuring elevation and whether... |
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Clipart ETC is a part of the Educational Technology Clearinghouse and is funded by various grants. Produced by the Florida Center for Instructional Technology, College of Education, University of South Florida. Email the project manager.