Question

H 4м площадь 30см2 p 800кг/м g 10н/кг найти площадь​

Answer 1

30 см в квадрате. Вы же сами там написали.

Answer 2

It seems there might be some confusion or missing information in your question. I see several variables mentioned, such as "H," "p," and "g," but it's not clear how they relate to each other or to the given area of 30 square centimeters.

To assist you better, please provide more context or clarify the question. Specifically, I need to understand how "H," "p," and "g" are related to the given area of 30 square centimeters and what you are trying to calculate. Once you provide more information or the correct equation, I'll be happy to help you find the solution.