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Need help with 3&4 pls

Need help with 3&4 pls-example-1
User Lemnar
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1 Answer

2 votes
3a- 10° 3b- 55°
4a- 135° 4b- 45°

Complementary angles add up to 90°
Supplementary angles add up to 180°
User Umber Ferrule
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7.4k points