# Types Of Triangles Worksheet • Section 1 of the types of triangles worksheet contains 20+ skills-based types of triangles questions, in 3 groups to support differentiation
• Section 2 of the classifying triangles worksheet contains 3 applied types of triangles questions with a mix of word problems and deeper problem solving questions
• Section 3 contains 3 foundation and higher level GCSE exam style types of triangles questions
• Answers and a mark scheme for all types of triangles questions are provided
• Questions follow variation theory with plenty of opportunities for students to work independently at their own level
• All questions created by fully qualified expert secondary maths teachers
• Suitable for GCSE maths revision for AQA, OCR and Edexcel exam boards

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### Types of triangles at a glance

There are four different types of triangles that we need to know about. Equilateral triangles have 3 equal side lengths and 3 equal angles, isosceles triangles have 2 equal sides and 2 equal angles whilst scalene triangles have sides and angles which are all different. Right angle triangles, sometimes called right triangles, are triangles which contain a right angle. Right angle triangles can be isosceles or scalene.

Triangles can contain acute angles, obtuse angles or right angles. Since the angles of a triangle add up to 180°, a triangle can contain at most one right angle or obtuse angle. A triangle with an obtuse angle is called an obtuse triangle and a triangle where all three angles are acute is called an acute triangle.

Looking forward, students can then progress to additional polygons worksheets and other geometry worksheets, for example a simplifying expressions worksheet or simultaneous equations worksheet. For more teaching and learning support on Geometry our GCSE maths lessons provide step by step support for all GCSE maths concepts.

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