The diagram shows triangle $PRS$ and a straight line $QS$. $Q$ is a point on $PR$.
Angle $QRS$ = 25°, angle $RSQ$ = 32° and $PS=QS$.

i) Find angle $PQS.$

Angle $PQS$ = ................................................... [2]

ii) Find angle $PSR$.

Angle $PSR$ = ................................................... [2]

Each exterior angle of a regular polygon is 12°.

Work out the number of sides of the polygon.

The diagram shows part of a different regular polygon.

$e$ is an exterior angle.
$i$ is an interior angle.
The ratio $e:i=2:13$.

i) Work out angle $e$.

[3]

ii) Work out the number of sides of this regular polygon.

[1]

The diagram shows a triangle between two parallel lines, $AB$ and $CD$.

Find the value of

i) $v,$

$v$=............................. [1]

ii) $w,$

$w=$............................. [1]

iii) $y$.

$y$ = .............................  [1]