[Senior Officer 2017 [MCQ] : 2017]
1. Tk. 478
2. Tk. 480
3. Tk. 484
4. Tk. 470
1. 25^-15
2. 25^-3
3. 5^-2
4. 5^-15
1. 100°
2. 68°
3. 128°
4. 38°
1. 75°
2. 90°
3. 105°
4. 70°
1. acute angle
2. obtuse angle
3. reflex angle
4. adjacent angle