- (UK) IPA (key): /əˈkjuːt/
- (US) enPR: ə-kyo͞ot′, IPA (key): /əˈkjut/
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- If an angle is acute, it is less than 90 degrees in size.
- Antonym: obtuse
- I had to measure the size of the acute angle in math class. It was 35 degrees in size.