Surface Area The sum of the area of all the faces of a polyhedron

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# Surface Area The sum of the area of all the faces of a polyhedron - PowerPoint PPT Presentation

Surface Area The sum of the area of all the faces of a polyhedron. Prism. A polyhedron with exactly two congruent, parallel faces called bases . Any other faces are the lateral faces . Lateral Area: Sum of the areas of the lateral faces (more than 2 of same shape).

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## PowerPoint Slideshow about 'Surface Area The sum of the area of all the faces of a polyhedron' - kalyca

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Presentation Transcript
Prism
• A polyhedron with exactly two congruent, parallel faces called bases.
• Any other faces are the lateral faces.
Find the Surface Area of Each Prism

4 in

3 ft

10 ft

5 in

8 in.

7 ft

Cylinder
• Has two congruent parallel bases like a prism, but the bases are circles.
• Altitude of a cylinder is the perpendicular segment that joins the bases.
• The height (h) of a cylinder is the length of the altitude.
Lateral Area: The area of the “curved surface”.

Height of Cylinder

Circumference of Circle

### Surface Areas of Pyramid

Find the value of each in order to find surface area

Perimeter of Base:

Area of Base:

Height:

Slant Height:

24

14

14

Cone
• Pointed like a pyramid, but its base is a circle.
• Altitude, of a right cone, is a perpendicular segment from the vertex to the center of the base.
• Height (h): the length of the altitude.
• Slant Height (s): the distance from the vertex to a point on the edge of the base.

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• SURFACE AREA OF
• PRISMS
• CYLINDERS
• PYRAMIDS
• CONES