Контрольные задания > 20. In the given figure, angle ACB = 90 degrees. If angle ACD = 30 degrees and angle CAD = 40 degrees, find the measure of angle ADC.
Вопрос:
20. In the given figure, angle ACB = 90 degrees. If angle ACD = 30 degrees and angle CAD = 40 degrees, find the measure of angle ADC.