how can you find a circle's area by using a compass?

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2007-09-20 14:26:09 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

put the ends of the compass on either side of the circle, read the measurement, divide it by 2 and use pi*r^2

2007-09-20 14:30:15 · answer #1 · answered by Dobie 2 · 0⤊ 0⤋

The area of a circle is pi*r^2

You can determine the radius with the compass.

2007-09-20 14:29:26 · answer #2 · answered by Vu 3 · 0⤊ 0⤋

Do you get to use a ruler? Not possible with only a compass.

2007-09-20 14:31:02 · answer #3 · answered by Computer Guy 7 · 0⤊ 0⤋

compass? er, i have never heard that one done before.

2007-09-20 14:35:27 · answer #4 · answered by clark k 2 · 0⤊ 0⤋