Classifying Triangles by Angle Measure
... 5. Suppose that Mike and Dave are making measurements for the road-paving crew. They need to know how much the land slopes downward along a particular stretch of road. Dave walks 80 feet from Mike and holds up a long pole, perpendicular to the ground, that has markings every inch along it. Mike look ...
... 5. Suppose that Mike and Dave are making measurements for the road-paving crew. They need to know how much the land slopes downward along a particular stretch of road. Dave walks 80 feet from Mike and holds up a long pole, perpendicular to the ground, that has markings every inch along it. Mike look ...
CONSTRUCTING TASK: My Many Triangles
... As an introduction to this task, students can be asked to fold different types of triangles. Using a piece of plain paper, ask students if they can fold to create any of the following triangles. (Small pieces of plain paper can be used, approximately 4” x 4”.) • Equilateral • Right • Acute • Obtuse ...
... As an introduction to this task, students can be asked to fold different types of triangles. Using a piece of plain paper, ask students if they can fold to create any of the following triangles. (Small pieces of plain paper can be used, approximately 4” x 4”.) • Equilateral • Right • Acute • Obtuse ...
Apollonian network
In combinatorial mathematics, an Apollonian network is an undirected graph formed by a process of recursively subdividing a triangle into three smaller triangles. Apollonian networks may equivalently be defined as the planar 3-trees, the maximal planar chordal graphs, the uniquely 4-colorable planar graphs, and the graphs of stacked polytopes. They are named after Apollonius of Perga, who studied a related circle-packing construction.