SURFACE AREA
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SURFACE AREA Sue Feemster Texas Middle School Summer 2002
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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
Transcript of SURFACE AREA
SURFACE AREA
Sue FeemsterTexas 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 cm10 cm
Surface Area of a Rectangular Prism
5 cm
4 cm10 cm
TOP
FRONTSIDE
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
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
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
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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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
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366cm2
