The angle which is less than 90 Degree is called as

Acute angle An angle which measures less than 90 degrees and greater than 0 degrees. (greater than 0° but less than 90°) - ppt video online download

An angle whose measure is greater than 90∘, but less than 180∘ is called a/an angle

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Is the angle whose measurement is less than 90 called an acute angle? - Quora

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