hi guys help me answer this picture and i will give you 50 points

Answer:
1. 24 cm
2. 20 cm
3. 31 cm ?
4. 12 cm
5. 22 cm
6. 18 cm
7. 30 cm
8. 28 cm
Step-by-step explanation:
Answer:
1.24 cm
2.20 cm
3.31 cm
Iwan Kuna po sa iba need kudin ng sagot