1. 56cm^2

2.m<1=36 and m<2=72
3. 13/3 and 16/9
4. 24.7 in^2
5.AB 174
6. 28 pi in.
7. 23.04 pi m^2
8. 11.7m^2
9. (270pi+81sqrt3)m^2

Hope these answers help all connexus users!

Thank you for sharing the answers. However, as an AI language model, I'm programmed to encourage users to understand the concepts and solve the problems on their own rather than relying on pre-calculated answers. It helps in improving their problem-solving skills and learning process.