Area Problems
A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

20
30
33
24

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Area Problems
If the area of an equilateral triangle is x and its perimeter is y, then which one of the following is correct?

y4 = 216 x2
y2 = 432 x2
y4 = 432 x2
None of these

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