document.write( "Question 1033965: The crater is a circular and has an area of 7850 square kilometers. What is the diameter of the crater? Use 3.14 for π
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Algebra.Com's Answer #648560 by robertb(5830)\"\" \"About 
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\"A+=+3.14r%5E2\" ==> \"7850++=+3.14r%5E2\" ==> \"2500+=+r%5E2\" ==> r = 50 km ==> Diameter is 2*50 km = 100 km. \n" ); document.write( "
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