A pie chart shows participation: Singing $108^{\circ}$, Dancing $72^{\circ}$, Drama $90^{\circ}$, Music…
A pie chart shows participation: Singing $108^{\circ}$, Dancing $72^{\circ}$, Drama $90^{\circ}$, Music $90^{\circ}$. Which two activities together cover exactly half of the chart?
Singing and Dancing
Drama and Music
Singing and Drama
Dancing and Music
Solution
Half of the chart $= 180^{\circ}$. Drama $+$ Music $= 90+90 = 180^{\circ}$.