Objective
Connect geometry methods and repair weaknesses revealed by evidence.
Calculator: Non-calculator core; calculator optional only for checking where labelled.

Recall
Retrieve the key fact or method needed for geometry connections and repair.
Core practice
A circle has centre O, tangent at T and chord through T. Explain the right angle between OT and tangent.
Reasoning
A translated quadrilateral keeps all side lengths. Explain why translation also preserves parallel sides.
Exam-style
Solve an exam-style problem involving geometry connections and repair. Show working, include a check and interpret your answer.