"Which pairs of angles in the figure below are vertical angles? Check all that apply.
AAngle TSN and angle ISW.
BAngle ISN and Angle TSW.
CAngle KSW and angle NST.
DAngle WSI and Angle ISK. "
AAngle TSN and angle ISW.
BAngle ISN and Angle TSW.
CAngle KSW and angle NST.
DAngle WSI and Angle ISK. "