TRIANGLES!

Sort the triangles by ANGLES. RIGHT OBTUSE ACUTE Sort the triangles by SIDES. Equilateral Scalene Isosceles Triangle Matching! Match the image to the correct FIRST NAME (angles) and LAST NAME (sides). Right Isosceles Obtuse Scalene Acute Isosceles Choose the correct vocabulary word fill in each blank. Be sure to read the sentence after completion to be certain that the vocabulary word you chose is accurate. A polygon is a shape that has at least 3 sides and angles. The 2-D figures also have at least 3 angles because the number of sides always matches the number of angles in a closed shape. When a polygon has 3 sides and 3 angles it is called a triangle. Some triangles have sides and angles that are all the same. These triangles are called equilateral triangles. When all of the sides and angles are different the triangle is scalene. When two sides and two angles math the triangle is called an isosceles triangle. How do the sides and angles relate to one another?How are angles and vertices related to one another?What must be present on a 2-D figure to create an angle? Use the vocabulary words and sentence stems to answer 2 of 3 the questions.VOCABULARY polygon must have the same number of _ and _.An angle is _ of a triangle and a vertex is _ of a triangle.