Math worksheet for practicing the sum of interior angles in triangles, with 12 problems involving algebraic expressions for angles.

Worksheet titled "Sum of the Interior Angles of a Triangle #2" with 12 triangle problems, each requiring solving for x and finding missing angle measures using the Triangle Sum Theorem.

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Show Answer Key & Explanations Step-by-step solution for: Sum of The Interior Angles of A Triangle #2: ABC CAB CAB CAB ACB ...

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Final Answer:
1) x = 30°, ∠ABC = 90°, ∠ACB = 30°
2) x = 35°, ∠CAB = 45°, ∠ACB = 35°
3) x = 11°, ∠CAB = 66°, ∠CBA = 55°
4) x = 15°, ∠CAB = 65°, ∠CBA = 60°
5) x = 20°, ∠ABC = 100°, ∠ACB = 20°
6) x = 30°, ∠CAB = 60°, ∠ACB = 80°
7) x = 17°, ∠CAB = 101°, ∠CBA = 2°
8) x = 25°, ∠CAB = 50°, ∠CBA = 40°
9) x = 21°, ∠ABC = 57°, ∠ACB = 42°
10) x = 36°, ∠CAB = 36°, ∠ACB = 72°
11) x = 15°, ∠CAB = 105°, ∠CBA = 46°
12) x = 25°, ∠CAB = 50°, ∠CBA = 50°

Parent Tip: Review the logic above to help your child master the concept of triangle interior angle worksheet.

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