Foundation November 2021 Paper 2 Q8

EdexcelCurrent spec3 marksAngles (Including Parallel Lines)Angles in Polygons

8 Here is a rhombus.

Rhombus with one obtuse angle of 122 degrees at the top left and an angle x degrees at the bottom left; arrows mark opposite sides parallel

Diagram NOT accurately drawn

Work out the value of \(x\).
Give a reason for your answer.

(3)

Mark scheme

Scheme	Marks
(360 – 122 – 122) ÷ 2 or 180 – 122	M1
58	A1
58 and correct reason	B1
	(3)
	(3 marks)

Notes

A1: for 58°

B1: dep on M1 for a reason for their method used
allied or co-interior angles add up to 180°
or corresponding angles are equal (angles on a straight line add up to 180°)
or opposite angles in a rhombus are equal
or angles of a rhombus/quadrilateral add up to 360°