Discusses the properties and types of triangles, explaining that a triangle is a closed figure with three sides and angles. It categorizes triangles into equilateral, isosceles, scalene, obtuse, right ...

Each triangle type has a different colour (pink for scalene ... After the initial discussion about the static triangle images, have one student explore dragging the pink triangle. Have the other ...

Understanding different types of angles and that angles in a ... with angles of 50°, 50° and 80° is an acute-angled triangle. Image caption, A scalene triangle with all angles less than 90 ...