j. For each of the conditions in the problems b through i, does the given information determine a unique triangle? Check all whose conditions determine a unique triangle. A. b. A triangle with sides of lengths 4cm, 6cm, and 8cm. B. c. A triangle with sides of lengths 18cm, 24cm, and 30cm. C. d. A triangle with sides 2cm, 4cm, and 7cm. D. e. An equilateral triangle with sides of 4cm. E. f. A triangle with sides 18cm and 21cm and an included angle of measure 75degrees. F. g. A triangle with sides 18cm and 21cm and a nonincluded angle of measure 40degrees. G. h. A triangle with sides 9cm and 9cm and a nonincluded angle of measure 40degrees. H. i. A right triangle with legs 6cm and 12cm (the legs include the right angle)