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SURFACE AREA Sue Feemster Texas Middle School Summer 2002

SURFACE AREA

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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. - PowerPoint PPT Presentation

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Page 1: SURFACE AREA

SURFACE AREA

Sue FeemsterTexas Middle School

Summer 2002

Page 2: SURFACE AREA

SURFACE AREA

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

Wrap it up!

Page 3: SURFACE AREA

Surface Area of a Rectangular Prism

5 cm

4 cm10 cm

Page 4: SURFACE AREA

Surface Area of a Rectangular Prism

5 cm

4 cm10 cm

TOP

FRONTSIDE

Page 5: SURFACE AREA

Surface Area of a Rectangular Prism

5 cm

4 cm10 cm

TOP

FRONTSIDE

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

Page 6: SURFACE AREA

Surface Area of a Rectangular Prism

5 cm

4 cm10 cm

TOP

FRONTSIDE

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

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

Page 7: SURFACE AREA

Surface Area of a Rectangular Prism

5 cm

4 cm10 cm

TOP

FRONTSIDE

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

Page 8: SURFACE AREA

Surface Area of a Rectangular Prism

5 cm

4 cm10 cm

TOP

FRONTSIDE

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

Area of sides 4x5 = 20 x 2 = 40cm2

SURFACE AREA 220cm2

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

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Page 9: SURFACE AREA

Find the surface area

21 cm3 cm

5 cm

Top and bottomFront and backSides

21x3 = 63 x 2 = 126cm2

21x5 = 105 x 2 = 210cm2

3x5 = 15 x 2 = 30cm2

SURFACE AREA

________

366cm2