Geometry, proof and networks
Choose a subtopic, explore its examples and practise with feedback.
Choose a subtopic.
Explore geometry, proof and networks for Year 10. Each subtopic has sample questions and worked answers; choose the skill you want to practise.
Circle theorems, tangent angles and regular polygon exterior angles
Optional extension: Circle theorems, tangent angles and regular polygon exterior angles
Examples, answers and practiceCircle theorems, tangent angles and regular polygon exterior angles
Optional extension: Circle theorems, tangent angles and regular polygon exterior angles
Examples, answers and practiceCombine parallel lines, isosceles triangles, ratios and bisectors
Combine parallel lines, isosceles triangles, ratios and bisectors
Examples, answers and practiceNetworks, routes and connectedness
Networks, routes and connectedness
Examples, answers and practiceMake, test and investigate.
Design and refine an algorithm
Design a route procedure for a small network. Test whether it finds a valid short route, revise it and explain its limitations.
Guided activity · No gradeWrite a geometric proof
Choose a geometry claim. State the givens, write a sequence of statements and reasons, then compare with the proof checklist. Your written proof is self- or teacher-reviewed.
Guided activity · No grade