8(a)Angles Polygons SymmetryMedium1 markAB and CD are parallel lines. AD and BC are straight lines that intersect at X. Angle ABX=y∘.Complete the statement with a geometrical reason.Angle DCX=y∘ becauseACorresponding angles are equalBVertically opposite angles are equalCCo-interior angles add up to 180∘DAlternate angles are equalEAngles on a straight line add up to 180∘FAngles in a triangle add up to 180∘GAngles in the alternate segment are equalHThe base angles of an isosceles triangle are equalGrade answerSolutionGrading criteria
8(b)(ii)Sine Cosine RulesEasy2 marksAngle CXD=80.5∘.Work out the area of triangle CXD.Answercm2Grade answerSolutionGrading criteria