What is the measure for the following ∠?
m∠BOA
20
40
60
2 answers:
The answer to your question is 40
<u>Answer </u>
20
<u>Explanation</u>
The protractor has been calibrated in equal divisions of 5°.
The line OB is at 60° and the line OA is at 40°.
The angle required is between line OB and OA which will be given by:
60° - 40° = 20°
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