a room measures 12 metres by 8.5 m on the outside.find the area of the floor of the room if the walls are 75 cm thick. Share with your friends Share 1 Abhishyant Reddy answered this 15 -3 View Full Answer Prithvinka answered this dont know -3 Nending Taka answered this how 15 can u plz show me the solution 1 Chelsa Gohri answered this 15 2 Aditya Pawar answered this why i tell you answer 2 Gouri K. Vijaya answered this 15 3 Deepanshu Chandnawat answered this 15 -2 Nending Taka answered this u all have a wrong ans... 2 Nending Taka answered this answer is 73.5 m sq. 0 Aditya Pawar answered this df -2 Lokesh Chaudhari answered this 15 -1 Lokesh Chaudhari answered this v v cvc -2 Naveen answered this 15 0 Kamal answered this 73.5 m2 -2 Bhawana answered this A room measures 12m by8.5m on the outside. find the area of the floor of the room if the walks are 75cm thick -2 Bhawana answered this 73.5sq m 0 Arun Kumar answered this 73.5 m sq 1 Saurav Thakur answered this Room measures 12 metre by 8.5 metre on the outside find the area of the floor of the room if the walls are 75 thick 0 Jev answered this area of room outside = 12 * 8.5 = 102 area of room inside =12 - 1.5m * 2 * 8.5m- 1.5 m * 2 =(12-3)(8.5-3) 9* 5.5= 44m squared 0