document.write( "Question 672233: a ball with a diameter of 20 is partially submerged in a pool full of water so the top of the ball is 5 inches above the surface. The intersection of the ball and the waters surface forms a circle, find its circumfrence. \n" ); document.write( "
Algebra.Com's Answer #418181 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! a ball with a diameter of 20 is partially submerged in a pool full of water so the top of the ball is 5 inches above the surface. \n" ); document.write( " The intersection of the ball and the waters surface forms a circle, find its circumference. \n" ); document.write( ": \n" ); document.write( "A chord (c) on the circle formed in the center of the ball, would be the diameter of the circle on the surface of the water. \n" ); document.write( ": \n" ); document.write( "Find the length of half the chord using Pythagoras, mult by 2: \n" ); document.write( "(the radius is the hypotenuse, one side is the center dist to the chord) \n" ); document.write( " c = 2 * \n" ); document.write( " c = 17.32 is the chord and the diameter of circle on the surface \n" ); document.write( "therefore \n" ); document.write( "17.32 * pi = 54.4 inches \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |