Edexcel IGCSE Math A 4.7.A informal geometrical reasons
Practise geometry-reason questions by calculating the angle value first, then writing the line, triangle or polygon fact used.
- Syllabus
- First assessment 2018
- Course
- Math A 4MA1
- Level
- Higher
Exam points
- Give a reason after calculating an unknown angle in a geometry diagram.
- Use facts about lines, triangles, isosceles shapes or polygons to justify steps.
- Link each numerical angle value to the line or shape property that produced it.
