NEW EDITION HIGH SCHOOL
English Grammar & Composition
WREN & MARTIN
(With New Appendices)
N.D.V. PRASADA RAO
HIGH SCHOOL ENGLISH GRAMMAR AND
P.C. WREN, MA. (OXON) and H. MARTIN, M.A. (OXON), O.B.E.
BASIC GEOMETRIC FORMULAS AND PROPERTIES
This handout is intended as a review of basic geometric formulas and properties. For further or more advanced '
geometric formulas and properties, consult with a SLAC counselor.
Perimeter: P = 45 or 2s + 25
English Grammar in Use
A self-study reference and practice book for intermediate students
CAMBRIDGE UNIVERSITY PRESS
To the student viii
To the teacher ix
Present and past
1 Present continuous (I am
Geometry for Teachers
Supplement C: Similar Triangles
This supplement is meant to be read after Venemas Section 9.2. Throughout this section, we assume all
nine axioms of Euclidean geometry.
The idea of scaling g