The Shulbasutras of Baudhayana, Apastamba, Katyayana and Manava: With Text, English Translation and Commentary c8.t6.11

The Śulbasūtras of Baudhāyana, Āpastamba, Kātyāyana and Mānava: With Text, English Translation and Commentary c8.t6.11

$1/(120²) [ 240² + 2 × 144 × 120 + 132 × 120 ] = 7½ sq. puruṣas as required$ in the text.