A triangle has two angles measuring 47° and 68°. What is the measure of the third angle?
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Worked Solution
Step 1: The angle sum property of a triangle: all three interior angles add up to 180°.
Step 2: Add the two known angles: 47° + 68° = 115°.
Step 3: Third angle = 180° − 115° = 65°.
Step 4: Verify: 47° + 68° + 65° = 180°. ✓
Answer: 65°.
Correct answer: 65°
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