PUMPA - THE SMART LEARNING APP

AI system creates personalised training plan based on your mistakes

Where $$|$$ and $$||$$ denotes equal sides.
• Opposite angles are equal. (Angles $$A$$ and $$D$$ are the same, and angles $$B$$ and $$C$$ are the same.)
• Adjacent angles are supplementary. Angles $$A$$ and $$B$$ or $$C$$ and $$D$$ add up to $$180°$$.