an earthquake was felt in a circular area of 1,808.64 miles. What was the radius of the circular area?

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2007-03-23 22:28:51 · 3 answers · asked by john n 1 in Science & Mathematics ➔ Mathematics

A = π r²
r² = A/π
r = √(A / π)] = √575.7 = 24 miles

2007-03-23 22:33:57 · answer #1 · answered by Como 7 · 0⤊ 0⤋

24 mi

2007-03-24 05:38:52 · answer #2 · answered by robot_extraordinaire 1 · 0⤊ 0⤋

area = pi r^2
so radius = sqrt(area/pi)

2007-03-24 05:31:12 · answer #3 · answered by hustolemyname 6 · 0⤊ 0⤋