Trybom, John Herman, O'Connor, Ellen Frances, 1874- joint author, Wilson, Abbie Ellen, 1854- joint author · Springfield, Mass., New York [etc.] M. Bradley company · leaf 23
EQUILATERAL TRIANGLE. First Year. No, 5. … 1. Draw the horizontal line AB. 2. Take A as a centre and AB as radius and describe arc, 3. Take B as centre and same radius and describe arc. 4. Connect point of intersection with A and B. Note. — Teach characteristics of a triangle. Compare with other triangles and give name " equilateral."…
Paper work
Internet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.
