Since both number 18 and number 27 are divisible by 9, 18 divided by 9 is 2, and 27 divided by 9 is 3 which will give you the answer of 2 and 3. So 18/27 in its lowest term is 2/3.
It will be 600in or 150cm. Reason is perimeter is just adding up the sides so if you wanna find it in inches then you multiply 4 by each side and if it’s just cm then just add them all up
