Foundation November 2022 Paper 2 Q6

OCRFoundationCurrent spec4 marksAngles (Including Parallel Lines)

6 The diagram shows two intersecting straight lines.

Not to scale

Two straight lines crossing; the angle above right of the crossing is 140°, angle a° is below it (vertically opposite) and angle b° is to its left on the same straight line
(a) Find the value of \(a\).

Give a reason for your answer.

\(a =\) .................... because ........................................ [2]

(b) Find the value of \(b\).

Give a reason for your answer.

\(b =\) .................... because ........................................ [2]