1. What type of triangle is Δ PQR, where ∠Q = 90°?   Acute   Right   Obtuse   Hint Half-n-half Clue   2. A triangle has angle measurements of 90°, 20°, and 70°. What type of triangle is this?   Acute   Right   Obtuse   Half-n-half Clue   3. A triangle has angle measurements of 21°, 47°, and 112°. What type of triangle is this?   Acute   Right   Obtuse   Half-n-half Clue   4. What is a triangle that contains no right angle called?   Oblique   Right   Opaque   Half-n-half Clue   5. A triangle has two angles measuring 53° and one angle measuring 74°. What type of triangle is this?   Equilateral   Isosceles   Scalene   Half-n-half Clue   6. Which triangle has an angle greater than 90°?   Acute   Right   Obtuse   Half-n-half Clue   7. What type of triangle is Δ XYZ, where ∠X = 52°, ∠Y = 63° and ∠Z = 65°?   Acute   Right   Obtuse   Half-n-half Clue