In isoceles triangle ABC angle A=20, B=80, C=80. Draw a line from C to side AB. Call this line CD and angle BCD=70. Draw a line from B to side AC. Call this line BE and angle CBE=60. Now draw line DE. What is angle CDE?

In isoceles triangle ABC angle A=20, B=80, C=80. Draw a line from C to side AB. Call this line CD and angle BCD=70. Draw a line from B to side AC. Call this line BE and angle CBE=60. Now draw line DE. What is angle CDE?

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