A cone has volume V=πh3tan2α3V = \frac{\pi h^3 \tan^2\alpha}{3}V=3πh3tan2α where α\alphaα is the half-angle. For α=45°\alpha = 45°α=45°, h=3h = 3h=3, find VVV.
9π9\pi9π
3π3\pi3π
27π27\pi27π
3π4\frac{3\pi}{4}43π