DhanuIbrahim 1503894 Dimensi3 Inggris Ganjil 2015

8/18/2019 DhanuIbrahim 1503894 Dimensi3 Inggris Ganjil 2015

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BY: DHANU IBRAHIM

1503894

MATH-EDU A’15

3-Dimensional

Shapes


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Cube

A cube is a 3-dimensional shape.

A cube has 6 equal sides.

A cube has 8 corners.

A cube has 12 edges.

Volume of Cube = a3

note a = length of edge

!urface Area of Cube = 6a2


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"ectangular #rism

A rectangular prism is a 3-dimensional shape.

A rectangular prism has 6 sides.

A rectangular prism has 8 corners.

A rectangular prism has 12 edges.

Volume = $h or l% h

note: B = base area l = length

w = width h = height

Suface area = 2lh + 2lw + 2wh


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#&ramid

A p&ramid is a 3-dimensional shape.'his p&ramid has ( sides.'his p&ramid has 1 base.

A p&ramid has a point

Volume = 1)3$h

!urface area

= *base area+ , (*area of face+or

= *base area+ , (*area of triangle+


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Cone

A cone is a 3-dimensional shape. A cone has 1 base. A cone has a point at the opposite end. A cone can roll.

Volume = 1)3$h or 1)3rh

note r = radius

= pi = 22)/ or 301(

h = heigth

!urface area = r*r,h+


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C & linder

A c & linder is a 3-dimensiona l s hape.

A c & linder has 2 f la t sides.

A c & linder can ro ll on i ts side.

V o lume = $ h or *r+ h

no te r = radius

= pi = 22)/ or 301( h = heig t h

!urf ace area = 2 r*r, h+


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!phere

A sphere is a 3-dimensional shape.

A sphere doesnt hae an& sides or corners.

A sphere can roll.

Volume = ()3 r3

note r = radius

= pi = 22)/ or 301(

!urface area = ( r2


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DhanuIbrahim 1503894 Dimensi3 Inggris Ganjil 2015

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