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  1. Triangle Maker – GeoGebra

    Create a scalene triangle. A scalene triangle has no congruent sides. 2. Create an isosceles triangle. An isosceles triangle has 2 congruent sides. 3. Create an equilateral triangle. An …

  2. Triangle Construction – GeoGebra

    A triangle has three sides and three angles. The three angles always add to 180°. There are three special names given to triangles that tell how...

  3. Isosceles Triangle – GeoGebra

     First we construct circle A using the circle tool. Then we construct the radius AB using the segment tool. Then we also construct radius AC with C being a point anywhere on the circle. …

  4. Altitudes of Triangles – GeoGebra

    We are going to construct the altitudes of a triangle now. The altitude of a triangle is sometimes called the height of the triangle. Just like when your height is measured, we need to draw the …

  5. Geometry - GeoGebra

    Interactive, free online geometry tool from GeoGebra: create triangles, circles, angles, transformations and much more!

  6. Right Triangle Maker – GeoGebra

    Quickly Construct a Right Triangle With an Angle and a Side or Two Sides. Flip the triangle to your liking and choose which units to display.

  7. How to Construct a Centroid of a Triangle – GeoGebra

    Centroid Construction Steps 1. Draw a triangle. 2. Measure one of the sides of the triangle. 3. Place a point at the midpoint of one of the sides of the triangle. 4. Draw a line segment from …

  8. Right Triangle Generator for Right Triangle Trigonometry

    Here, we have a custom tool (far right) that lets you quickly construct a right triangle by simply plotting 2 points and THEN entering the measure of one of its acute interior angles.

  9. Creating Triangles With Different Sides and Angles – GeoGebra

    You will define each triangles side and angle then change each triangle to a different angle and side. This activity will meet standard CCSS.MATH.CONTENT.4.G.A.1.

  10. Construct Equilateral Triangle Inscribed in a Circle - GeoGebra

    Follow these steps to construct an equilateral triangle inscribed in a circle. 1) Using the POINT TOOL & SEGMENT TOOL, label point C on circle A to create diameter CB.