document.write( "Question 200344: A wagon wheel is placed against a wall. One point on the edge of the wheel is 5 inches from the ground and 10 inches from the wall. What is the radius of the wheel?
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Algebra.Com's Answer #150655 by nerdybill(7384)\"\" \"About 
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A wagon wheel is placed against a wall. One point on the edge of the wheel is 5 inches from the ground and 10 inches from the wall. What is the radius of the wheel?
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\n" ); document.write( "Think Pythagorean theorem.
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\n" ); document.write( "Draw a diagram -- the wheel is the hypotenuse while the wall and the floor forms the two sides of a right triangle.
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\n" ); document.write( "Let d = diameter of wheel
\n" ); document.write( "then
\n" ); document.write( "d^2 = 5^2 + 10^2
\n" ); document.write( "d^2 = 25 + 100
\n" ); document.write( "d^2 = 125
\n" ); document.write( "d = \"sqrt%28125%29\"
\n" ); document.write( "d = \"sqrt%285%2A5%2A5%29\"
\n" ); document.write( "d = \"5sqrt%285%29\"
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\n" ); document.write( "Radius is half the diameter:
\n" ); document.write( "radius = \"%285%2F2%29sqrt%285%29\" = 5.59 inches
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