(a)[1]
Explain how the diagram shows that the interior angles of a pentagon add to $540^\circ$. Do not measure any angles.
(b)[4]
Calculate the measure of each of these three angles.
Mathematics 0580 · IGCSE · Angles
Explain how the diagram shows that the interior angles of a pentagon add to $540^\circ$. Do not measure any angles.
Calculate the measure of each of these three angles.