Cox, Philip L. Prentice Hall informal geometry / [electronic resource] / Philip L. Cox.. — Needham, Mass. : : Prentice Hall,, c1992.. — xiii, 626 p. : : col. ill. ; 24 cm. + teacher's ed. (xiii, 1d, 626 p. : col. ill. ; 24 cm.). Includes index. ISBN: 0133524515 (student text) 9780133524512 (student text) 0133524779 (teacher's ed.) 9780133524772 (teacher's ed.) Subjects--Topical Terms: Geometry. LC Class. No.: QA445 / .C687 1992