XYZ XYZ\,XYZ is a triangle. ZBAC ZBAC\,ZBAC is a parallelogram such that A A\,A is the midpoint of XYXYXY, B B\,B is the midpoint of XZXZXZ, and C C\,C is the midpoint of YZYZYZ.

Prove that triangle XAB XAB\,XAB is congruent to triangle AYCAYCAYC.
Practise AQA GCSE Maths Congruent Triangles with exam-style questions for Foundation and Higher tier. 28 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.