Triangle a″b″c″ is formed by a reflection over y = −3 and dilation by a scale factor of 2 from the origin. which equation shows the correct relationship between δabc and δa″b″c″? coordinate plane with triangle abc at a negative 3 comma 3, b 1 comma negative 3, and c negative 3 comma negative 3 2 times square root of 2 times segment ac equals one half times square root of 2 times segment a one half times square root of 2 times segment ac equals 2 times square root of 2 times segment ac 2 times square root of 13 times segment ab equals square root of 13 times segment a double prime b double prime square root of 10 times segment ab equals 2 times square root of 10 times segment a double prime b double prime