# Vertices of a triangle

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1.6A Audience: First Grade. Behavior: Classify 2-dimensional shapes using informal geometric language. Condition: Ancho Chart. I would introduce some familiar 2D shapes and ask the students to identify how many sides and vertices using an anchor chart.

Topic for January 15, 2014: Solving for the value of x at one of the vertices of a triangle if its area is given. Please visit the website to see the details. Thanks and have a nice day to everyone. If you have any questions, please send me an e-mail.

Here's a page for use with the book THE GREEDY TRIANGLE by Marilyn Burns. As the triangle changes its shape, students build each shape with marshmallows and toothpicks and record information about sides, angles, and vertices.

Miquel's theorem: A diagram showing circles passing through the vertices of a triangle ABC and points A´, B´ and C´ on the adjacent sides of the triangle inte...

How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler - Math Open Reference

How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler - Math Open Reference

Topic for January 20, 2014: Getting the coordinates of the vertices of a triangle if the midpoints of the sides are given. Please visit the website to see the details. Thanks and have a nice day to everyone. If you have any questions, please send me an e-mail.

Fourth grade students will learn that a polygon is a simple closed curve with sides made of line segments. Students will identify a triangle, quadrilateral, pentagon, hexagon, and octagon by the number of sides and number of angles/vertices.

distance of ortho center from sides and vertices of a triangle

Shape pack with craftivities for 11 shapes!