ocr: Answer. - From No. 9. A y 12 5 8 B . - - - 13 16 9. 12 C Let A be No. 9, BNo. 25, CNo. 52, and D No. 73. Then AB - V(2"+5)-J169 l - 13; AC = 21; AD= V9+8)=J145 l 12+ (N.B. i.e., "between 12 and 13") BC = V(162+ 12)= V400 == - 20; BD I = V8+21)-J450 - 21+; CD= J(9'+13)-J250 = 15+; CARROLL: TANGLED TALE