+ Pyramids and Prisms. + Solid An object with 3 Dimensions Height, Width, Length.

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Presentation transcript:

+ Pyramids and Prisms

+ Solid An object with 3 Dimensions Height, Width, Length

+ 3-D Triangular Shapes Pyramid Triangular Prism

+ Pyramid A pyramid is made by connecting a base to an apex A pyramid is named after the shape of its base

+ Pyramid Surface Area SA= Base Area + (1/2) Perimeter x Slant height Base Area= Area of the shape that is the base Perimeter= Perimeter of the Base Slant Height= height of one of the faces

+ Surface Area

+ Find the Surface Area

+ Practice Work on the following hand out!

+ Pyramid Volume V= (1/3) (Base Area) (Height) Base Area= Area of the shape that is the base Height = Length from the base to apex

+ Volume

+ Find the Volume

+ Practice Work on the following hand out!

+ Triangular Prism A prism composed of two triangular bases and three rectangular sides

+ Triangular Prism Surface Area for Triangular Prism SA= 2( Area of Triangular Base)+ Area of Rectangle + Area of Rectangle +Area of Rectangle Area of Triangular Base= (1/2)(Base) (Height)

+ Surface Area

+ Find the Surface Area

+ Practice Work on the following hand out!

+ Triangular Prism Volume V= (Base Area) (Length) Base Area= Area of the triangular base Length= Length of the rectangle

+ Volume V= ½ BH x L V= ½ (9) (12)(18) V= 1944/2 V= 972 cm 3

+ Find the Volume

+ Practice Work on the following hand out!