 
 <prompt> ```1. Wetin be 16:9 = 4:3? 
2. Abi na true say since 2010 e don dey common for televisions and computer monitors?
3. Wetin be HDTV?
4. Wetin be Full HD?
5. Wetin be non-HD digital television and analog widescreen television?
6. Na who be Kerns H. Powers?
7. Abi na true say e first propose the 16:9 (1.7:1) aspect ratio?
8. Abi na true say for 1980s, the popular choices na 1.3:1?
9. Wetin be SMPTE Working Group on High-Definition Electronic Production?
10. Na which year dem popular choices dey for aspect ratios?
11. Wetin be 1.3:1?
12. Abi na true say the European "flat" ratio na 1.6:1?
13. Abi na true say the American "flat" ratio na 1.85:1?
14. Na true say the ratio of 70 mm films and Panavision na 2.20:1?
15. Abi na true say the CinemaScope ratio for anamorphic widescreen films na 2.39:1?
16. Na true say Powers cut out rectangles with equal areas?
17. Wetin be the geometric mean of the extreme aspect ratios, 4:3 and 2.35:1?
18. Wetin be the aspect ratio when the geometric mean technique applied to 16:9 and 4:3?
19. Wetin be the aspect ratio used as a compromise between 16:9 and 4:3?``` <response>: ```1. Wetin be di most common aspect ratio for TVs?
2. Na im be di international standard?
3. For which types of TV?
4. And?
5. Any other thing?
6. Who suggest dis ratio?
7. E be doctor?
8. E be member of any professional organizations dat time?
9. Which one?
10. Which decade e make dis proposal?
11. Other choices dey dat time?
12. E dey consider as standard?
13. Wetin about for Europe?
14. Dem dey consider am as flat?
15. America get flat ratio?
16. Wetin e be?
17. Wetin dem use for 70mm movies?
18. Dem use am for any other thing?
19. Wetin?
20. Powers use rectangles with different areas?``` 