How big is 43mm?

How can you determine the sum of the interior angles of a hexagon justify your answer? How many yards are in 253 inches? What is 42 times 28? What is the address to 62.219.112.154? How many total degrees are there among all angles of a hexagon? What are two equivalent fractions for 3/21? What is 4 percent out of 3000? How many grames are equal to 400kg? What is 478 in scientific notation? What jobs can you get with a master's degree in mathematics? What is 4 out of 16 as a fraction? How can we find the median of grouped data? Gallons of water in 18 x 24 pool? How do you determine the third angle of a right triangle if 2 angles are known? What is the rolling 3 month from 11-20-2011? What is difference between form and shape? What is the volume of a room if it is 4 meters high? What is half of twenty five and five eighths? Are there 9 feet in a yard? What is the answer to this 501.401 in expanded form?