State 1 has an area of 121,601 square miles. State 2 has an area of 155,835 square miles. How much greater is the area, in square miles, of State 2 than the area of State 1? Complete the explanation of how you know the answer is reasonable. The answer is found by performing the operation ? . To check if the answer is reasonable I estimated the difference as ? . The estimate is close to the actual value, so it is reasonable. The area of State 2 is square miles greater.