C2 Core Compound area and perimeters. Find the area and perimeter of the figures. Use All curve areas semi or quarter circles. Additional information is given when necessary. Round all answers to 3 d.p. if necessary. 1. 2. 3. 4. Shaded figure. 5. 6. 7. 8. 9. C2 Core Compound area and perimeters. 10. 11. 12. 13. 3 identical parallelograms 14. Find the area and perimeter of the shaded region. 15. 16.