in the adjoining figure,find
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Answer:
Angle ADB= 100°
Angle DAB= 50°
Angle ACD= 40°
Step-by-step explanation:
Since ,angle ADB is supplementry to angle ADC=80°...
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Answer:
the sum of all angles ina triangle is equal to 180°
The sum of two adjacent angles is equal to 180°then they are linear pair