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Poetry Month | Notable Poets

Auden, Byron, Chaucer, and more A-B | C-D | E-H | J-M | N-R | S-T | U-Z   Amiri Baraka   Abu Nuwas Addison, Joseph Aidoo, Ama Ata Aiken, Conrad Akhmatova, Anna Aldington, Richard…

Adams, Abigail

(Encyclopedia) Adams, Abigail, 1744–1818, wife of President John Adams and mother of President John Quincy Adams, b. Weymouth, Mass., as Abigail Smith. A lively, intelligent woman, she married John…

Geometry: Proofs About Quadrilaterals

Proofs About QuadrilateralsGeometryProofs About QuadrilateralsWhen Is a Quadrilateral a Parallelogram?When Is a Parallelogram a Rectangle?When Is a Parallelogram a Rhombus?When Is a Parallelogram a…

Geometry: Proving Relationships Between Lines

Proving Relationships Between LinesGeometryProving Relationships Between LinesProofs Involving Perpendicular LinesLet's Get ParallelProofs About Alternate AnglesParallel Lines and Supplementary…

Geometry: Taking the Burden out of Proofs

Taking the Burden out of ProofsGeometryTaking the Burden out of ProofsThe Law of DetachmentThe Importance of Being DirectProof by Contradiction: The Advantage of Being IndirectThe Given Information:…

Best-Selling Children's Books, 2005

Source: Publishers Weekly.HardcoverHarry Potter and the Half-Blood Prince, J. K. RowlingThe Penultimate Peril (A Series of Unfortunate Events #12), Lemony Snicket, illustrated by Brett…

Geometry: Tangents

TangentsGeometryAnatomy of a CircleBasic TermsArcsCircumference and Area: Pi Anyone?TangentsFrom One Theorem Comes Many You might have observed that I occasionally go off on a tangent. In fact, I'…

Selected Biographies: R

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z More Biographies Don't see the biography you're looking for? Search 30,000+ biographies Biographies…