CIRCLES CIRCUMFERENCE & AREA. CIRCUMFERENCE C = ΠdorC = 2Πr 12cm.

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Presentation transcript:

CIRCLES CIRCUMFERENCE & AREA

CIRCUMFERENCE C = ΠdorC = 2Πr 12cm

CIRCUMFERENCE C = ΠdorC = 2Πr 32in

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

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

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

AREA: A = Πr 2 32cm

AREA: A = Πr ft

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

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

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

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