ABCD ABCD\,ABCD is a rectangle. M M\,M is the midpoint of the side ADADAD. Lines BM BM\,BM and CM CM\,CM are drawn.
Prove that angle ABM ABM\,ABM is equal to angle DCMDCMDCM.
Practise Edexcel GCSE Maths Congruent Triangles with exam-style questions for Foundation and Higher tier. 28 questions, matched to the Edexcel GCSE Maths (1MA1) 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.