ΔDEF rotates 90° clockwise about point A to create ΔD 'E 'F. Therefore, which equation must be true?
A. m∠DEF = m∠D 'F 'E '
B. m∠D 'E 'A ' = m∠DAE
C. m∠EAE ' = m∠FAF '
D. m∠DAE m∠E 'A-F '

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.