There are 9 squares and 6 circles. What is the simplest ratio of circles to squares?
1 answer:
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This follows from the half-angle identity for cosine.
By definition, the area of a rectangle is:
Where,
w: width of the rectangle
l: length of the rectangle
The total area is given by:
Where,
A1: rectangular wooden board 1
A2: rectangular wooden board 2
Substituting we have:
Rewriting we have:
Answer:
The width is given by: