1. Which triangle has an angle greater than 90°?   Acute   Right   Obtuse   Hint Half-n-half Clue   2. What type of triangle is Δ XYZ, where ∠X = 55°, ∠Y = 65° and ∠Z = 60°?   Acute   Right   Obtuse   Half-n-half Clue   3. Which triangle has all three sides equal in length?   Equilateral   Isosceles   Scalene   Half-n-half Clue   4. A triangle has angles measuring 60°, 65° and 55°. What type of triangle is this?   Equilateral   Isosceles   Scalene   Half-n-half Clue   5. Which triangle has all three angles less than 90°?   Acute   Right   Obtuse   Half-n-half Clue   6. A triangle has angle measurements of 33°, 31°, and 116°. What type of triangle is this?   Acute   Right   Obtuse   Half-n-half Clue   7. What type of triangle is Δ ABC, where ∠A = ∠B = ∠C = 60°?   Equilateral   Isosceles   Scalene   Half-n-half Clue