Expand your horizons with the diverse and informative answers found on IDNLearn.com. Our platform is designed to provide trustworthy and thorough answers to any questions you may have.
Answer:
50°
Step-by-step explanation:
Opposite angels of a parallelogram are congruent to each other.
This means:
<ADC = <ABC
<ADC = 38° + 12°
<ADC = 50°
Since <ADC = <ABC, therefore,
<ABC = 50°