Let's All Fly a Kite!GeometryPutting Quadrilaterals in the ForefrontProperties of All QuadrilateralsProperties of TrapezoidsLet's All Fly a Kite!Properties of ParallelogramsThe Most Popular…
Proofs About Alternate AnglesGeometryProving Relationships Between LinesProofs Involving Perpendicular LinesLet's Get ParallelProofs About Alternate AnglesParallel Lines and Supplementary AnglesUsing…
SpheresGeometryThe Next Dimension: Surfaces and SolidsPrismsPyramidsCylinders and ConesPolyhedraSpheresPlatonic Solids Thanks to early explorers, people have lost the fear of falling off the edge…
When Is a Parallelogram a Square?GeometryProofs About QuadrilateralsWhen Is a Quadrilateral a Parallelogram?When Is a Parallelogram a Rectangle?When Is a Parallelogram a Rhombus?When Is a…
(Encyclopedia) Housman, A. E. (Alfred Edward Housman)Housman, A. E.housˈmən [key], 1859–1936, English poet and scholar, whose verse exerted a strong influence on later poets. He left Oxford without a…
(Encyclopedia) Kahn, Louis IsadoreKahn, Louis Isadoreĭzˈədôrˌ [key]Kahn, Louis Isadore, kän [key], 1901–74, American architect, b. Estonia. He and his family moved to Philadelphia in 1905, and he…
(Encyclopedia) postmodernism, term used to designate a multitude of trends—in the arts, philosophy, religion, technology, and many other areas—that come after and deviate from the many 20th-cent.…
Here are the best-selling children's books of all time (through the end of 2000), with author and year of initial publication, compiled by Publishers Weekly. OP means the book is no longer in print…
