You would just change the division to multiplication and because three cancels out the 3 that 102 is divided by it would take the 3 away from the left side. then you would also multiply 3 on the other side to make them equal then the equation would be 102 = (34)3
Side of the room = x. From the right triangle, where sides of the square are legs of the right triangle, and the diagonal of the square is a hypotenuse of the right triangle. x²+x²=6² 2x²=36 x²=18 x=√18 =√(2*9)=3√2≈4.2m