Question
The figure shows a piece of square paper ABCD folded at two of its corners A and C. Given that ∠ADE = 11° and ∠CDF = 13°, find ∠ADC.
2 m

Click button first when a symbol is required. X

The figure shows a piece of square paper ABCD folded at two of its corners A and C. Given that ∠ADE = 11° and ∠CDF = 13°, find ∠ADC.