Mathematics 0580 · IGCSE · Angles

Angles — practice question

The sketch depicts a parallelogram. The angles labelled are $(x-30)^{\circ}$ and $(3x+10)^{\circ}$.

(a)[4]

Use the details shown in the diagram to set up an equation and solve it to determine the value of x.

(b)[1]

Determine the size of the largest angle in this parallelogram.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$4x=200$ or equivalent” …