3. Given the measurement of angles below, which of them is NOT an acute angle? A. 40° B. 60° C. 80° D. 100°
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A. 409 - This angle is greater than 90 degrees, so it is not an acute angle. B. 60" - This angle measures 60 degrees, which is less than 90 degrees, so it is an acute angle. C. 80" - This angle measures 80 degrees, which is less than 90 degrees, so it is an Show more…
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