Page 128 - Math Course 2 (Book 2)

Classifying Triangles

Skill Practice!

Classify each angle as acute, obtuse, right, or straight.
1. ∠AHB 2. ∠AHC

3. ∠AHD 4. ∠AHE

5. ∠AHF 6. ∠AHG

Find the value of x in each triangle. Then classify each triangle as acute, right, or obtuse.

7. 8.

9. 10.

11. 12.

Classify each dashed triangle by its angles and by its sides.

13. 14. 15.

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