emily4464 emily4464 09-01-2021 Computers and Technology contestada I will mark you as BRAINLIEST if you give me the correct answer of the questions... Pls asap with all details i am time limited11. Find the number of square decimetres in a hectare. 20. Find a formula for the length of a room in terms of its breadth b metres and the perimeter of its floor, p metres