The diagram shows a protractor measuring an angle. What is the size of the marked angle?
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Worked Solution
Step 1: Identify which arm of the angle lies on the 0° baseline of the protractor.
Step 2: Follow the inner scale, counting up from 0° on the same side as the baseline arm.
Step 3: Read the number where the other arm of the angle crosses the inner scale.
The pointer crosses at 65°.
Step 4: The marked angle is 65°.
Answer: 65°
Correct answer: 65°
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