less i think
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It IS less.
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Obtuse. An acute angle is less than 90 degrees, a right angle is 90 degrees, and an obtuse angle is more than 90 degrees.
an acute angle
No. A cute angle is less than 90 degrees.
A complement of an acute angle must be an acute angle. An acute angle is an angle whose measure is more than 0 degrees but less than 90 degrees. For example, even if the angle was the minimum 1 degree, the complement is still 89 degrees, which is still acute. Therefore, any combination of a complement of an acute angle MUST be acute.
"Acute" describes an angle less than 90 degrees. "Obtuse" describes an angle more than 90 but less than 180.