emmaengland123452 emmaengland123452 16-11-2022 Mathematics contestada 14 4 D 20⁰ A, B, C and D are four points on a circle. SBT is a tangent to the circle. Angle ABD = 20° В. Find the size of angle SBA. Give a reason for each stage of your working. с the size of angle BAD: the size of angle BCD: