1. CIRCLES CIRCUMFERENCE & AREA

2. CIRCUMFERENCE C = ΠdorC = 2Πr 12cm

3. CIRCUMFERENCE C = ΠdorC = 2Πr 32in

4. CIRCUMFERENCE C = ΠdorC = 2Πr D = ? The circumference of the following circle is 37.68 inches. What is the Diameter?

5. CIRCUMFERENCE C = ΠdorC = 2Πr D = ? The circumference of the following circle is 7.85 ft. What is the Diameter?

6. CIRCUMFERENCE C = ΠdorC = 2Πr r = ? The circumference of the following circle is 157 cm. What is the Radius?

7. AREA: A = Πr 2 32cm

8. AREA: A = Πr 2 4.2 ft

9. AREA: A = Πr 2 R = ? The area of the following circle is 28.26 ft. What is the radius?

10. AREA: A = Πr 2 R = ? The area of the following circle is 490.625 in. What is the radius?

11. AREA: A = Πr 2 D = ? The area of the following circle is 78.5 cm. What is the Diameter?

12. Circumference: 2Πr or Πd AREA: Πr 2 D = 12cm Find the Circumference and the Area in “terms of Π” ?