Practice problem
If δ=120∘\delta = 120^{\circ}δ=120∘ and γ=60∘\gamma = 60^{\circ}γ=60∘, what is the measure of β\betaβ?
90∘90^{\circ}90∘
180∘180^{\circ}180∘
30∘30^{\circ}30∘
60∘60^{\circ}60∘
Type a concept, like “slope” or “photosynthesis”.
