Problem 32 Answer

The answer is (540^2/3-36)^1/2 * (15/540^1/3-1) =~ 4.635873 feet.

The shadow over your yard is (540^2/3-36)^1/2 =~ 5.505698 feet.

The angle formed is approximately 47.46 degrees.

Michael Shackleford, A.S.A.