Question

please help me in this question​

Answer 1

To find it subtract the numbers from180 like 180-18 = 162

Answer 2

these are the complementary angles

1. 90°-18°=72°
2. 90°-67°=23°
3. 90°-43°=47°

these are the suplentary angles

1. 180°-102°=78°
2. 180°-158°=22°
3. 180°-107°=73°
4. 180°-169°=11°