A courtyard in the shape of a right triangle is set in the middle of three square office buildings, with one office building along each side. Which statement is true about the three office buildings? Math item stem image The area of Building CC minus the area of Building BB equals the area of Building AA. The area of Building BB minus the area of Building CC is equal to the area of Building AA. The area of Building CC minus the area of Building AA is equal to twice the area of Building BB. The area of Building BB plus the area of Building CC is equal to twice the area of Building AA.