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18 Cards in this Set
- Front
- Back
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Polyhedron
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3 dimentional solid whose faces name a polyhedron by its/are polygons
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Prism
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A polyhedron with 2 bases
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Pyramid
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a polyhedron with 1 base
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Isometric and Orthographic Drawings
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A mathematicle way to show perspective
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perspective
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a way you see an object
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Isometric
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dot paper to make a figure
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Orthographic
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shows angle and lengths of all sides of a figure(front, top, and side)
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Polyhedron Net
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take a 3-d figure and unfold to see all shapes and dimentions
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surface area
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it is the sum of all areas of the polyhedrons faces
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Prism
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A polyhedron with 2 bases
*A 3-d figure with faces as polygon that has 2 bases |
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Volume
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Amount of space it takes up
*how many cubic units(cm3) can fit inside |
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Formula for volume of prisms
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V=B(base area)h(height)
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Three ways to describe a circle
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1. Diameter-distance across the circle through the center 2(r)=d
2. Radius-the distance from the center to any point on the circle d/2=r 3.Circumference-perimeter or distance around the circle |
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Circumference formula
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C=Pi(d)
or C=2(Pi)(r) |
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circumference to diameter
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d=C/Pi
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formula for area of a circle
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A=Pi r squared (A=Pi (r) (r) )
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formula for surface area of a cylinder
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SA=Pi(r squared) or Pi(d) times (2 Pi r)(h)
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Formula for volume of Cylinders
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V=Bh or V=Pi r squared (hieght)
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