document.write( "Question 893993: A water tank has the shape of a cone with the vertex down. The tank is 10 m high and has a base radius of 3 m. When the water in the tank is 5 m deep, what is the area of the surface of the water at that instant? (Hint: make a sketch and set up similar triangles.)\r
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Algebra.Com's Answer #541692 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "A water tank has the shape of a cone with the vertex down. The tank is 10 m high and has a base radius of 3 m. When the water in the tank is 5 m deep, what is the area of the surface of the water at that instant? (Hint: make a sketch and set up similar triangles.)
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\n" ); document.write( "Diameter of circular top of water at the 5m mark of cone = 3 m, or radius of: \"3%2F2\", or 1.5m
\n" ); document.write( "Area of surface of water at the 5m mark: \"pi%2Ar%5E2\", or \"pi+%2A+1.5%5E2\", or \"2.25%2Api\", or \"highlight_green%287.068583471m%5E2%29\" \n" ); document.write( "
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