The diameter of the larger circle is 12.5 cm
The diameter of the smaller circle is 3.5 cm
What is the approximate area of the shaded region?

Question

The diameter of the larger circle is 12.5 cm
The diameter of the smaller circle is 3.5 cm 
What is the approximate area of the shaded region?

anonymous · Answer

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anonymous · Answer

thats what the picture looks like

mathmale · Answer

Find the areas of the two circles.  To do this, you'll need to halve each diameter to obtain the corresponding radius.  Then subtract the area of the smaller circle from the area of the larger one.

anonymous · Answer

im so confused

mathmale · Answer

Please find and type out the equation for the area of a circle.

mathmale · Answer

Area of a circle = Pi*(  ?  )  (Fill this in, please.)

mathmale · Answer

Please do an Internet search for "area of a circle."  You'll find that formula easily among the search results.