Math CentralQuandaries & Queries


Question from Derrick, a student:

I own 100 acre square of land. I want to run from farthest corner of property to farthest corner, Diagonally. How many miles would I have traveled?

Hi Derrick,

One acre is 43,560 square feet so 10 acres is 435,600 square feet. If your 10 acre property is in the shape of a square then each side is of length

\[\sqrt{435600} = 660 \mbox{ feet.}\]


Triangle $ABC$ is a right triangle. What does Pythagoras Theorem tell you about the distance from $B$ to $C?$


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