noun
1
BAD : I was surprised and anger that he did not apologize.
GOOD : I was surprised and angry that he did not apologize.
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Anger is a noun and a verb: 'The workers who lost their jobs expressed anger and resentment.' 'The government's handling of the affair has angered local residents.' The adjective is angry : 'Some of the women felt angry about the way they were treated.'
2
BAD : He'll have to learn how to control his anger.
GOOD : He'll have to learn how to control his temper.
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control/keep/lose your temper (NOT anger ): 'The problem with George is that he can't control his temper.' (= cannot stop himself from suddenly getting angry)