Showing category "Math Geometry and Measurement" (Show all posts)

Volume of Prisms and Cylinders

Posted by on Thursday, October 25, 2012, In : Math Geometry and Measurement 
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Formula for the Volume of a Prism

Find the Volume of a Rectangular Prism

Find the Volume of a Triangular Prism


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Solid Figures

Posted by on Thursday, October 25, 2012, In : Math Geometry and Measurement 
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Solid

Prism

Pyramid

Cylinder

Cone

Sphere



source http://www.virtualnerd.com
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Circumference and Area of Circles

Posted by on Thursday, October 25, 2012, In : Math Geometry and Measurement 
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The Circle

The Circumference

Find The Circumference (know the diameter)

Find The Circumference (know the radius)

Area of Circle

Find the Area of Circle (know the diameter)

Find the Area of Circle (know the radius)


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Areas of Parallelograms, Triangles, and Trapezoids

Posted by on Thursday, October 25, 2012, In : Math Geometry and Measurement 
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Formula for the Area of a Parallelogram

Find the Area of a Parallelogram

Formula for the Area of a Triangle

Find the Area of a Triangle

Formula for the Area of a Trapezoid

Find the Area of a Trapezoid

ind the Area of a Composite Figure


 

 


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Perimeter and Area of Rectangles

Posted by on Thursday, October 25, 2012, In : Math Geometry and Measurement 
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Formula for Perimeter of Rectangles

How to find Perimeter of Rectangles

Find the Perimeter of a Shape

Formula for the Area of a Rectangle

Find the Area of a Rectangle


 

 


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Surface area and Volume of rectangular prisms

Posted by on Monday, May 28, 2012, In : Math Geometry and Measurement 
Surface area of Rectangular Prism
 

For the surface area of a solid, there is a similar definition, but it applies to the exterior surfaces of the solid. Surface area is the sum of all unit squares that fit on the exterior of a solid.

 

As the diagram below indicates, there are six surfaces to a rectangular prism. There is a front, back, top, bottom, left, and right to every rectangular prism. The surface are of a prism is nothing more than the sum of all the areas of these rectangles.

Notice that...


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Surface area and Volume of a cylinder

Posted by on Monday, May 28, 2012, In : Math Geometry and Measurement 
Surface area of a cylinder 

Definition: The number of square units it takes to exactly cover the surface of a cylinder.

 Try this
 Drag the orange dot to the left to "unroll" the cylinder.

 Volume enclosed by a cylinder 
 
 Definition: The number of cubic units that will exactly fill a cylinder
Try this Drag the orange dot to resize the cylinder. The volume is calculated as you drag.


 

Since the end (base) of a cylinder is a circle, the area of that circle is given by

Multiplying by the height h we get...


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Formula of Geometry

Posted by on Tuesday, May 24, 2011, In : Math Geometry and Measurement 


source : eCalc.com

Understand Volume : http://www.mathopenref.com/cubevolume.html 
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