Before reading this guide, it may be helpful to read the guides from Module 1 on the properties of angles and the properties of 2D shapes. The sum of the angles inside any polygon can be found by ...
Interior angles in a triangle add up to 180˚. Triangles close triangleA polygon with three straight sides. have three sides, therefore they have three angles. Interior angles in a triangle sum to a ...
Try these interactive flashcards based on GCSE maths past papers. By working your way through the flashcards created by experts, you can prepare for your maths exams and revise commonly used ...
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