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Arm OA lies along the 0 line. What does the protractor show for ∠AOB?

Class 6Measuring AnglesGeometry
  • A60°
  • B120°
  • C130°
  • D110°

Step-by-Step Solution

Start from 0 on the right (outer scale) and follow it to arm OB: 120°. The angle is obtuse, so 60° (the inner number) cannot be right.
Answer: B) 120°

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