Elinor determined that a triangle with side lengths 6, 10, and 8 does not form a right triangle. 62 + 102 = 82 36 + 100 = 64 136
≠ 64 Is her answer correct? No, she should have added 82 and 102 and compared that to 62. No, she should have subtracted 102 from 82 and compared that to 62. No, she should have added 62 and 82 and compared that to 102. Yes, she is correct.