one room length 12.8 and breadth equals to 850 CM inside that room there is a bad length is 300 cm and breadth is 400 cm find the remaining surface area of the room and the answer will be in cm

Step-by-step explanation:

To be able to answer this question properly. I'll assume the length of the room is in meters.

So for the room, we have:

For the bed, we have:

First, we calculate the surface area of the room.

Convert all units to cm

Next, we calculate the area of the bed

The area of the space left  is the difference between A1 and A2

i dont know

step-by-step explanation:

i use my brain for prombles like this maybe you could try it

step-by-step explanation: