SOLUTION: If a meteor hits the earth and forms a crater that measures 10 miles in diameter, what is the area of the crater formed? 31.4 square miles 62.8 square miles 78.5 square mi

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Question 1120120: If a meteor hits the earth and forms a crater that measures 10 miles in diameter, what is the area of the crater formed?
31.4 square miles
62.8 square miles
78.5 square miles
100.4 square miles

Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52855) About Me  (Show Source):
You can put this solution on YOUR website!
.
pi%2Ar%5E2 = pi%2A%28d%2F2%29%5E2 = pi%2A%2810%2F2%29%5E2 = pi%2A5%5E2 = 3.14*25 = 78.5 square miles.


Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A crater is a 3 dimensional object.
You have to sped its diameter and its depth.