Презентация, доклад к уроку геометрии по теме Многогранники на английском языке

Polyhedron is a geometric body which consists of a finite number of intersecting planes

Слайд 1Polyhedra
Mikhаilichenko Yelena-Maths teacher
Tsoy Svetlana- English teacher

PolyhedraMikhаilichenko Yelena-Maths teacherTsoy Svetlana- English teacher

Слайд 2Polyhedron is a geometric body which consists of a finite number

of intersecting planes
Polyhedron is a geometric body which consists of a finite number of intersecting planes

Слайд 3Prism is a polyhedron consisting of two parallel polygons, basing on

finite numbers of rectangles which form a side surface.

V=SH

Prism is a polyhedron consisting of two parallel polygons, basing on finite numbers of rectangles which form

Слайд 4Pyramid is a geometric body which consists of some triangles with

common vertex and the base.

V=1/3 SH

Pyramid is a geometric body which consists of some triangles with common vertex and the base.V=1/3 SH

Слайд 5Cube is a prism with equal faces.
V= a³
,where a is an

edge.
Cube is a prism with equal faces.V= a³,where a is an edge.

Слайд 6Regular Polyhedra

Regular Polyhedra

Слайд 7Non of the geometric body does not possess such beauty as

regular polyhedra. There are 5 types of polyhedra: tetrahedron, cube, octahedron, dodehedron and icosahedron.
Non of the geometric body does not possess such beauty as regular polyhedra. There are 5 types

Слайд 8The Euler characteristic

The Euler characteristic

Слайд 9Regular Polyhedra in nature

Regular Polyhedra in nature

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