SOLUTION: The diagram shows that x is the radius of the large circle and the diameter of the small circle. Write the ratio of the area of the large circle to the area of the area of the smal
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Question 1020975: The diagram shows that x is the radius of the large circle and the diameter of the small circle. Write the ratio of the area of the large circle to the area of the area of the small circle. Simplify the expression.
http://i410.photobucket.com/albums/pp186/anentities/2E1E41E8-C61B-46BB-BA25-4AF907D931D7_zps3qqjpshu.jpg
Is a picture of the diagram and question. I know that the answer is 4, but I have absolutely no clue how to get to it. Thank you very much for answering! :)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
the area of the circle is
if is the of the large circle, then and the area of the larger circle is
and if is the diameter of the small circle,then and the area of the smaller circle is
->
the ratio is:
=
=
=
=
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