Question: How many square miles is the state that contains the school where Ridgway B. Knight was educated?

<P0-S0> Density 840 / sq mi (324 / km) Ranked 3rd (9) Median household income $67,861 (7th) Elevation Highest point Mount Greylock 3,489 ft (1063.4 m) Mean 500 ft (150 m) Lowest point Atlantic Ocean sea level Before statehood Province of Massachusetts Bay Admission to Union February 6, 1788 (6th) Governor Charlie Baker (R) Lieutenant Governor Karyn Polito (R) Legislature General Court Upper house Senate Lower house House of Representatives U.S. <P0-S1> Commonwealth of Massachusetts Flag Seal Nickname (s): The Bay State Motto (s): Ense petit placidam sub libertate quietem (Latin) By the sword we seek peace, but peace only under liberty State song (s): ``All Hail to Massachusetts ''Official language English Spoken languages English 77.4% Spanish 8.6% Portuguese 2.8% Chinese 2.1% Demonym Bay Stater (official) Massachusite (traditional) Massachusettsian Capital (and largest city) Boston Largest metro Greater Boston Area Ranked 44th Total 10,565 sq mi (27,336 km) Width 183 miles (295 km) Length 113 miles (182 km)% water 25.7 Latitude 41 ° 14 ′ N to 42 ° 53 ′ N Longitude 69 ° 56 ′ W to 73 ° 30 ′ W Population Ranked 15th Total 6,811,779 (2016 est.) <P0-S2> Senators Elizabeth Warren (D) Ed Markey (D) U.S. House delegation 9 Democrats (list) Time zone Eastern: UTC - 5 / - 4 ISO 3166 US - MA Abbreviations MA, Mass. <P0-S3> Website www.mass.gov <SEP> <P1-S0> The son of American parents living in Paris (painter Louis Aston Knight and Caroline Ridgeway Brewster), he studied and graduated from Harvard Business School in 1931. <P1-S1> Following his studies, Knight began importing French wine to the US, and in 1942 took part in organizing the US landing in Algeria. <SEP> <P2-S0> The MIT Blackjack Team was a group of students and ex-students from Massachusetts Institute of Technology, Harvard Business School, Harvard University, and other leading colleges who used card counting techniques and more sophisticated strategies to beat casinos at blackjack worldwide. <P2-S1> The team and its successors operated successfully from 1979 through the beginning of the 21st century. <P2-S2> Many other blackjack teams have been formed around the world with the goal of beating the casinos. <SEP> <P3-S0> in 1846, the area of 31 square miles (80 km) which was ceded by virginia was returned, leaving 69 square miles (179 km) of territory originally ceded by maryland as the current area of the district in its entirety. <P3-S1> 21st - century proposals to return the remaining portion of the district of columbia to the state of maryland are cited as one way to provide full voting representation in congress and return local control of the city to its residents. <SEP> <P4-S0> the rural plains have lost a third of their population since 1920. several hundred thousand square miles (several hundred thousand square kilometers) of the great plains have fewer than 6 inhabitants per square mile (2.3 inhabitants per square kilometer)—the density standard frederick jackson turner used to declare the american frontier "closed" in 1893. many have fewer than 2 inhabitants per square mile (0.77 inhabitants per square kilometer). <P4-S1> there are more than 6,000 ghost towns in the state of kansas alone, according to kansas historian daniel fitzgerald. <P4-S2> this problem is often exacerbated by the consolidation of farms and the difficulty of attracting modern industry to the region. <P4-S3> in addition, the smaller school-age population has forced the consolidation of school districts and the closure of high schools in some communities. <P4-S4> the continuing population loss has led some to suggest that the current use of the drier parts of the great plains is not sustainable, and there has been a proposal - the "buffalo commons" - to return approximately 139,000 square miles (360,000 km2) of these drier parts to native prairie land.