THE THIRTEEN BOOKS

OF

EUCLID'S

ELEMENTS

CAMBRIDGE UNIVERSITY PRESS WAREHOUSE,

C. F. CLAY, MANAGER.

London: FETTER LANE, E.C.

Edinburgh: 100, PRINCES STREET.

Berlin: A. ASHER AND CO.

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Bombay and Calcutta: MACMILLAN AND CO., LTD.

[All Rights reserved.]

T. L. HEATH, C.B., Sc.D.,

SOMETIME FELLOW OF TRINITY COLLEGE, CAMBRIDGE

VOLUME III

BOOKS X-XIII AND APPENDIX

CAMBRIDGE:
at the University Press.

1908