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Geometry Ch. 12 Test Flashcards

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761342128prismhas 2 congruent bases and lateral faces0
761342129basecongruent polygonal faces opposite each other in a prism1
761342130lateral face(side face) face of a prism that is not a base2
761342131lateral edgeparallel segments formed by the edges of each lateral face in a prism3
761342132altitudesegment perpendicular to both bases4
761342133base edgesegment joining base and lateral face5
761342134LApr=PHLA of a prism6
761342135TApr=LA+2BTA of a prism7
761342136Vpr= BHV of a prism8
761342137base areaB9
761342138perimeterP10
761342139pyramidpolygon for base, vertex, and lateral faces11
761342140vertexpoint where lateral edges meet in a pyramid12
761342141lateral facescongruent triangles13
761342142lateral edgessegments from vertex to base in a pyramid14
761342143base edgeshorizontal segment joining base and lateral faces in a pyramid15
761342144slant heightheight of a lateral face16
761342145altitudeperpendicular segment from vertex to base17
761342146LApyr= 1/2 (p*l)LA of a pyramid18
761342147TApyr=LA+BTA of a pyramid19
761342148Vpyr=1/3 (B*h)V of a pyramid20
761342149h l trianglehypot.= l leg= h leg= s/221
761342150LE l trianglehypot= LE leg= l leg= s/222
761342151cylindersolid with 2 circular bases23
761342152right cylindercircular base directly above the other24
761342153altitude of a cylindersegment joining the centers of the circular bases25
761342154radius of a cylinderradius of a circular base26
761342155LAcyl=phLA of a cylinder27
761342156TAcyl=LA+2BTA of a cylinder28
761342157Vcyl= BhV of a cylinder29
761342158p=2 pi rp of a cylinder30
761342159B=pi r^2B of a cylinder31
761342160conehas a vertex and 1 circular base32
761342161LAcone= 1/2 (p*l)LA of a cone33
761342162TAcone=LA+ BTA of a cone34
761342163Vcone=1/3 (Bh)V of a cone35
761342164surface area of a sphereoutside area of a sphere36
761342165volume of a sphereinterior of the sphere and its shell37
761342166hemispherehalf of a sphere38
761342167Ss=4 pi r^2surface area of a sphere formula39
761342168Vs=4/3 pi r ^3volume of a sphere40
761342169Vh=2/3 pi r^3volume of a hemisphere41
761342170similar solidssolids that have the same shape but not necessarily the same size42

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