The area of the inscribed triangle = 3(6^2 x sin 120°) = 3(36sin 120°) = 3(31.18) = 93.53 square in.
An expression because it can not be expressive
8.10 and 8.100 because its about significant figures. There can be an infinite number of zeros after the 1.
The answer in photo don't forget put heart ♥️