Which statement about the figure MUST is true? Select all that apply A. n = 7
B. QS = 21
C. SR = 27
D. QR = 54

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.