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SURFACE AREA. Sue Feemster Texas Middle School Summer 2002. SURFACE AREA. Surface area is the sum of the areas of all the faces of a solid. Wrap it up!. Surface Area of a Rectangular Prism. 5 cm. 4 cm. 10 cm. Surface Area of a Rectangular Prism. TOP. 5 cm. SIDE. FRONT. 4 cm. 10 cm.

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surface area
SURFACE AREA

Sue Feemster

Texas Middle School

Summer 2002

surface area1
SURFACE AREA

Surface area is the sum of the areas of all the faces of a solid.

Wrap it up!

surface area of a rectangular prism1
Surface Area of a Rectangular Prism

TOP

5 cm

SIDE

FRONT

4 cm

10 cm

surface area of a rectangular prism2
Surface Area of a Rectangular Prism

TOP

5 cm

SIDE

FRONT

4 cm

10 cm

Area of top and bottom A=LW A=10x4 = 40 x 2 = 80cm2

surface area of a rectangular prism3
Surface Area of a Rectangular Prism

TOP

5 cm

SIDE

FRONT

4 cm

10 cm

Area of top and bottom A=LW A=10x4 = 40 x 2 = 80cm2

Area of front and back 10x5 = 50 x 2 = 100cm2

surface area of a rectangular prism4
Surface Area of a Rectangular Prism

TOP

5 cm

SIDE

FRONT

4 cm

10 cm

Area of top and bottom A=LW A=10x4 = 40 x 2 = 80cm2

Area of front and back 10x5 = 50 x 2 = 100cm2

Area of sides

4x5 = 20 x 2 = 40cm2

surface area of a rectangular prism5
Surface Area of a Rectangular Prism

TOP

5 cm

SIDE

FRONT

4 cm

10 cm

Area of top and bottom A=LW A=10x4 = 40 x 2 = 80cm2

Area of front and back

10x5 = 50 x 2 = 100cm2

Area of sides

4x5 = 20 x 2 = 40cm2

--------

SURFACE AREA

220cm2

find the surface area
Find the surface area

5 cm

3 cm

21 cm

Top and bottom

21x3 = 63 x 2 = 126cm2

Front and back

21x5 = 105 x 2 = 210cm2

Sides

3x5 = 15 x 2 = 30cm2

________

SURFACE AREA

366cm2

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