Mathematics 0580 · IGCSE · Angles

Angles — practice question

(a)[2]

Find the value of $a$ as well as the value of $b$.

(b)[2]

Calculate the interior angle of a regular 12-sided polygon.

(c)[3]

Find the value of $f$ as well as the value of $g$.

(d)[2]

Find the value for $k$.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The angle is $142^\circ$.” …