Home | Geometry | Triangles | Additional Investigations

 additional Investigations PROPERTIES of Triangles In or Out?: Determine the location of the altitudes in a triangle. Classified Information: Investigate combining triangle classifications based on length and angle measure. . Sum It Up!: Explore the sum of interior angles of a triangle. Shark Attack!: Find the best path from the inside of a triangle to its sides. Remotely Interior: Compare exterior angles with remote interior angles. Outside Looking In: Identify the sum of the exterior angles in a triangle. To Be or Not to Be: Determine the necessary conditions to create a triangle. Balancing the Triangular Totter: Locate the center of mass of a triangle. Half as much may be right: Explore triangles inscribed in semicircles. Planting Trees: Help a farmer plant four trees. AREA and PERIMETER of Triangles Interactive Pythagoras: Use the concept of area to demonstrate the Pythagorean Theorem Area formulas: Investigate the areas of triangles in a variety of ways. Triangles Inside a Trapezoid: Use the area of a triangle to transform a trapezoid into different quadrilaterals. Prime Scalene: Find the smallest possible perimeter of a scalene triangle. Slicing Triangles: Cut any given triangle into triangles of equal area. Transformations of Triangles Tiling: Tile a square patio with triangular tiles. Constructing Isosceles Triangles: Explain how to construct isosceles triangles. Triangles inscribed inside triangles: Explore properties of triangles constructed using the midpoint of given triangles. Triangular numbers: Explore the sequence of triangular numbers. SAM: Explore Symmetry with Altitudes and Medians Puzzles that include Triangles Hidden Triangles: Count the number of triangles in a picture. Toothpick Transfer: Readjust a diagram to form a number of triangles. Lining Up to Find Triangles: Draw lines to find the largest amount of triangles. Nonoverlapping Triangles: Use three lines to form as many triangles as possible. Pentagram Triangles: How many triangles are formed? Counting Triangles: Determine the number of triangles in the diagram. Magic Triangle: Place the digits 1 through 9 in the circles in a very special way. Submit your idea for an investigation to InterMath.