1. (a) 17.8 (b) 47.9o
2. (a) 6.58 (b) 56.3o
3. (a) 34.4 cm2 (b) 34.4 mm2
4. (a) 6.52 (b) 3.43
5. (a) 87.3o (b) 2.90o
6. (a) 42.8o, 86.2o, 10.3
(b) 23.7o, 25.9o, 130.4o
7. (a) 13.3 cm2 (b) 9.12 cm
1. (a) 17.8 (b) 47.9o
2. (a) 6.58 (b) 56.3o
3. (a) 34.4 cm2 (b) 34.4 mm2
4. (a) 6.52 (b) 3.43
5. (a) 87.3o (b) 2.90o
6. (a) 42.8o, 86.2o, 10.3
(b) 23.7o, 25.9o, 130.4o
7. (a) 13.3 cm2 (b) 9.12 cm