ΔBCD is rotated 80° clockwise about the origin to form ΔKLM. If m∠KLM=30° , what is m∠BCD?
m∠BCD=30°
m∠BCD=50°
m∠BCD=80°
m∠BCD=110°
m∠BCD=30°
m∠BCD=50°
m∠BCD=80°
m∠BCD=110°