1. polukrug   volume   area   semicircle   cube   Hint Half-n-half Clue   2. izgib, krivaya, povorot   curve   point   line   triangle   Half-n-half Clue   3. cilindr   semicircle   circle   cylinder   diameter   Half-n-half Clue   4. treugól’nik   sphere   triangle   point   diameter   Half-n-half Clue   5. kvadrát   square   perimeter   angle   point   Half-n-half Clue   6. diametr   diameter   radius   rectangle   cylinder   Half-n-half Clue   7. ugol   cube   curve   cylinder   angle   Half-n-half Clue