Math - Class 5 – Classify triangles (Geometry practice)/ Triangle angle-sum property /Classifying Triangles/ Triangles and their types /Properties of Triangles / Facts about a Triangle – Key Points/Notes/Worksheets/Explanation/Lesson/Practice Questions Tags: Triangle Classification, Classifying Triangles by Sides or Angles for class 5, Free downloadable Worksheet PDF on Triangle for 5th class, Practice questions and examples with solution on Triangles for fifth standard, Lesson on Classification of Triangles for Grade V, Classification of triangle according to angles and sides, What is scalene triangle? What is obtuse triangle? What is acute triangle? What is equilateral triangle? Right angled triangle, Acute angled triangle, Obtuse angled triangle, Sum of the angles in a triangle, Triangles and its properties, Some fact about triangle, Properties of a triangle, Difference between equilateral and equiangular triangle. Classify the triangles into acute, obtuse and right angled triangle with following angles: 30°, 90°, 60°, Classify triangles according to sides as equilateral, isosceles or scalene triangle. 5cm, 3cm, 6cm, If two angles of a triangle measures 50° and 60°. Find the measure of the third angle of the triangle. The three angles of a triangle are in the ratio of 2:3:5. Find the measure of each angle of the triangle. Find the third angle and mention the kind of triangle. ∠A = 80°, ∠B = 40°, ∠C =? Can we have a triangle with the following angles and sides? Justify your answer with reason. 50°, 90°, 60°