Midpoint — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses midpoint — a geometry concept — each with a professionally curated solution, many with a video solution too, from LIVE by Po-Shen Loh. Browse all concepts or the full past-contest archive.
All of these problems are used with official legal permission of the Mathematical Association of America (MAA).
AMC 8
2002 AMC 8 Problem 20 · 2006 AMC 8 Problem 5 · 2006 AMC 8 Problem 19 · 2016 AMC 8 Problem 2 · 2022 AMC 8 Problem 18
AMC 10
2000 AMC 10 Problem 5 · 2004 AMC 10A Problem 4 · 2005 AMC 10B Problem 14 · 2005 AMC 10B Problem 23 · 2012 AMC 10A Problem 21 · 2014 AMC 10A Problem 16 · 2017 AMC 10B Problem 8 · 2018 AMC 10A Problem 24
More geometry concepts
3D geometryaltitudeangle bisectorangle bisector theoremangle chasingangle sumannulusarcareaarea decompositionarea ratioBrahmagupta’s Formulacentroidchordcirclecircle areacircumcircle, circumcenter, and circumradiuscircumferenceconecongruence (geometry)coordinate geometrycube geometrycyclic quadrilateralcylinderdiagonaldistance formulaellipseequiangular polygonequilateral triangleEuler’s Polyhedron FormulaHeron’s Formulahomothetyhyperbolaincircle, incenter, and inradiusinscribed angleisosceles trianglekitelattice pointlaw of cosineslaw of sinesmass pointsmedian (geometry)net (3D geometry)paper foldingparabolaparallel linesparallelogramperimeterperpendicular bisectorPick’s Theorempolyhedronpower of a pointpower scaling of length, area, and volumePtolemy’s TheorempyramidPythagorean TheoremPythagorean Tripleradical axisrectanglerectangular prismreflection (geometry)regular polygonrhombusright trianglesectorshoelace formulasimilarityspecial right trianglespheresquare (geometry)Stewart’s Theoremsurface areatangent circlestangent linetransformationtrapezoidtriangle areatriangle inequalitytrigonometric identitytrigonometryvectorViviani’s Theoremvolume