Complex sentence: The ratio of the slant height to half the base length is 1.619, less than 1% from the golden ratio, implying use of Kepler's triangle (face angle 51 ° 49).
Split into simpler sentences: The ratio of the slant height to half the base length is 1.619, less than 1% from the golden ratio. If this was the design method, it would imply the use of Kepler's triangle (face angle 51 ° 49).