Classify angles Quiz Welcome to your Classify angles Quiz Please click "Next" Classify an angle ∠A = 60° acute right obtuse Classify an angle ∠A = 90° acute right obtuse Classify an angle ∠A = 172° acute right obtuse Classify an angle ∠A = 105º acute right obtuse Classify an angle ∠A = 47º acute right obtuse Time's up