Mr. Carpenter is building a treehouse . He needs to begin with part of the structure in the shape of a right triangle . He has several different lengths of wood to choose from , as listed below . Determine which of the options would form a right triangle . A. 9 meters , 7 meters , and 6 meters
B. 12 meters , 10 meters , and 8 meters
C. 16 meters , 10 meters , and 12 meters
D. 20 meters , 21 meters , and 29 meters​