(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…
Anatomy of a CircleGeometryAnatomy of a CircleBasic TermsArcsCircumference and Area: Pi Anyone?TangentsFrom One Theorem Comes Many If you have ever tried to get information from a bureaucratic…
Congruent TrianglesGeometryCongruent TrianglesCPOCTACThe Big FiveThe SAS PostulateThe ASA PostulateThe AAS TheoremProving Segments and Angles Are CongruentProving Lines Are Parallel It's not…
DilationsGeometryTransformationsIsometriesDilationsSymmetry A dilation is a transformation that changes the length of all line segments by the same proportion. A dilation does not change the shape…
Properties of All QuadrilateralsGeometryPutting Quadrilaterals in the ForefrontProperties of All QuadrilateralsProperties of TrapezoidsLet's All Fly a Kite!Properties of ParallelogramsThe Most…
Putting Quadrilaterals in the ForefrontGeometryPutting Quadrilaterals in the ForefrontProperties of All QuadrilateralsProperties of TrapezoidsLet's All Fly a Kite!Properties of ParallelogramsThe Most…
The Given Information: Use It or Lose It!GeometryTaking the Burden out of ProofsThe Law of DetachmentThe Importance of Being DirectProof by Contradiction: The Advantage of Being IndirectThe Given…
The Next Dimension: Surfaces and SolidsGeometryThe Next Dimension: Surfaces and SolidsPrismsPyramidsCylinders and ConesPolyhedraSpheresPlatonic Solids Although you might be able to name a few two-…
