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Prove that triangle $ADC$ is similar to triangle $DEC$. Include a reason for every statement you make.
Mathematics 4024 · O Level · Similarity
Prove that triangle $ADC$ is similar to triangle $DEC$. Include a reason for every statement you make.
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The angle $\angle ACD$ is equal to $\angle DCE$ because it is the shared angle.” …