The Giles Phippes family, livingin a small New England coastal village, participates in many activities and chores- -the children learning from a hornbook , digging ... Shows how the Pythagorean Theorem may be applied to acute angled triangles in addition to right triangles, and how this leads to the cosine formula. ... CBS RADIATION IN BIOLOGY: AN INTRODUCTION, U - 5872, 13| min sd; (J-H); $1.50.
|Title||:||Catalog of Educational Motion Pictures for Schools, Churches, Industries, Clubs, Adult Education Groups [1963-1966]|
|Author||:||University of Iowa. Bureau of Audio-Visual Instruction|