Formula 1 driver @GeorgeRussell63 is back in his home country of England — and we caught up with him at the @MercedesAMGF1 headquarters before a packed week ahead 🏎️💨
Project Formula was never meant to sit still. 🏎️
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Brahmagupta's Formula for the area of a cyclic quadrilateral:
A = √[(s − a)(s − b)(s − c)(s − d)]
where
> a, b, c, d = lengths of the four sides
> s = semiperimeter = (a + b + c + d)/2
Applies to any quadrilateral that can be inscribed in a circle (as shown in the diagram).
A famous formula for π:
π/4 = 1 − 1/3 + 1/5 − 1/7 + …
This comes from a trigonometry formula:
arctan(x) = x − x³/3 + x⁵/5 − x⁷/7 + …
Putting x = 1 gives the series for π/4.
This result was discovered independently by: Gottfried Wilhelm Leibniz (1673), James Gregory (1671), Nilakantha Somayaji (around 1500, in Tantrasangraha).