For Your Mathematicians: Google Interactive Geometry Calculator

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Performing the following search term in Google:

 

Area of a circle

 

Will give a set of results where the top result is an interactive graphic pane where you can enter the radius of the circle:

 

http://i.snag.gy/4FhOn.jpg

The selected search can be changed by clicking on the downward pointing arrow beside 'area' [Alternatives: Diameter, Circumference]

 

Other search terms:

 

a^2+b^2=c^2 calc a=4 b=7 c=?

 

http://i.snag.gy/oOzod.jpg

More search term examples:

 

Area of a pentagon

Calculate the diagonal of a cube with 6mm edge

Diagonal of a rhombus calc

Dodecahedron calc: find v

Find the diameter of a sphere whose volume is 524 litres

Formula for a triangle perimeter

How do I calculate triangular prism volume?

Hypotenuse calc

Perimeter of a trapezoid

Pyramid calc: find v

Triangular prism volume

What is the volume of a cylinder with radius 4cm and height 8cm

 

[Had posted this in 'Links' but moved it because there were no links in the post.]