Learning objective
Utilize and understand the following geometrical terms: point, vertex, line, plane, parallel, perpendicular, perpendicular bisector, bearing, right angle, acute, obtuse, and reflex angles, interior and exterior angles, similar, congruent, and scale factor. Additionally, comprehend the vocabulary related to triangles (equilateral, isosceles, scalene, right-angled), special quadrilaterals (square, rectangle, kite, rhombus, parallelogram, trapezium), polygons (regular and irregular polygons, pentagon, hexagon, octagon, decagon), and solids (cube, cuboid, prism, cylinder, pyramid, cone, sphere, hemisphere, frustum, face, surface, edge). Furthermore, grasp the vocabulary associated with circles, including centre, radius (plural: radii), diameter, circumference, semicircle, chord, tangent, major and minor arc, sector, and segment.
Read the explanation, check the common trap, then practise with flashcards and questions.
Exam focus
- Read the explanation.
- Check key terms.
- Practise with linked questions.
Cambridge IGCSE MathematicsExtended GeometrySupplement content