Practice problem
If a triangle has two angles measuring θ1=12∘\theta_{1} = 12^{\circ}θ1=12∘ and θ2=78∘\theta_{2} = 78^{\circ}θ2=78∘, is it a right triangle?
Yes.
No.
Need more information.
Type a concept, like “slope” or “photosynthesis”.