(ii)Use the quadratic formula to find the complex roots of the equation 2x2 - 4x +10 = 0. Use the quadratic formula to find the complex roots of the equation 2x2 - 4x +10 = 0. The triangle shown below is not a right-angled triangle. The length of side ais 6, side b is 3, and side c is 4. Calculate the size of the smallest angle in the triangle. [HINT: the smallest angle in a triangle is always opposite the smallest side.]

The right-angled triangle below has side a of length 8.2 units, and side b of length 6.3 units.

(1)Calculate the size of the angle 0 to the nearest degree. (ii)Calculate the length of side c, correct to 2 decimal places.