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Question
Fill in the blanks with acute, obtuse, right or straight:
An angle whose measure is less than that of a right angle is ______.
Options
acute angle
obtuse angle
right angle
straight angle
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Solution
An angle whose measure is less than that of a right angle is acute angle.
Explanation:
An acute angle measures less than 90°, making it smaller than a right angle, which exactly measures 90°.
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