Posted by 3.1415926... on Tuesday, August 6, 2013 at 3:28pm.
Four circles of unit radius are drawn with centers (1,0), (1,0), (0,1), and (0,1). A circle with radius 2 is drawn with the origin as its center. What is the area of all points which are contained in an odd number of these 5 circles? (Express your answer in the form "a pi + b" or "a pi  b", where a and b are integers.)
Can you tell what the answer is? I want a clear explanation too. Thanks!!!!!!

MATH  Steve, Tuesday, August 6, 2013 at 3:44pm
the small circles intersect in lensshaped areas of pi/2  1
each small circle has area pi
The large circle has area 4pi
The points in the lenses and the large circle outside the small circles lie in 1 or 3 circles.
4pi  4(pi) + 4(pi/21) = 2pi4

MATH  mathemagiacian, Wednesday, August 7, 2013 at 12:33pm
That is not right.

MATH  Steve, Thursday, August 8, 2013 at 12:30am
So, if it's not right, maybe you could let us know where we went wrong. The idea is to help here, you know.

MATH  Anonymous, Sunday, November 24, 2013 at 1:21pm
the answer is 4pi8 . FOR SURE!!

MATH  Anonymous, Saturday, October 17, 2015 at 10:30pm
it is 4pi8
Answer This Question
Related Questions
 GEOMETRY QUESTION  Four circles of unit radius are drawn with centers (0,1), (...
 Math Geometry  Four circles of unit radius are drawn with centers (1,0), (1,0...
 I am really struggling on this problem  geometry  Please help guys if you can...
 Geometry  A circle of radius 1 is drawn in the plane. Four nonoverlapping ...
 Math  A circle of radius 1 is drawn in the plane. Four nonoverlapping circles ...
 Geometry  2 circles with centers O and O' are drawn to intersect each other at ...
 Geometry  In my book there's a picture of an equalderal triangle. This is given...
 geometry (help steve)  A circle of radius 1 is drawn in the plane. Four non...
 PreCalc (Circles). Please help :(  Five concentric circles with radii 1, 2, 3...
 Geomatric series  A fractal is created: A circle is drawn with radius 8 cm. ...
More Related Questions