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[DOCX File]CIRCLES: CIRCUMFERENCE AND AREA REVIEW
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Area of a circle = πr2 Circumference of a circle = 2πr. Teacher Key: The area function is quadratic. It forms a parabola. This is because the formula for area is increasing exponentially. Yes, approximately (2, 12.7). This point represents when the area and circumference are equal and both having a radius of 2 units. Answers may vary {r: r>2 ...
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[DOC File]The radius, diameter, circumference, and area of a circle
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Find the circumference of the circle by multiplying the diameter of the circle times pi or use the formula for finding circumference, which is Circumference equals pi d. Choose an operation or operations.
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[DOC File]Circles and Circumference WS
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If the circumference of the largest circle is 12π inches, what is the circumference of the second inscribed circle? (3) 1997-WU13-6. 27) A circle is inscribed in a square. Determine the ratio of the circumference of the inscribed circle to the perimeter of the square. Express your answer in …
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[DOC File]Circumference, Radius, and Diameter
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D, 50 centimeters. The circumference of a circle is . π times the diameter. 16 ⋅ 3.14≈50. Area of a Circle. This week your student will solve problems about the area inside circles. We can cut a circle into wedges and rearrange the pieces without changing the area of the shape.
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[DOC File]CIRCUMFERENCE OF A CIRCLE
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Draw a circle and label the radius and diameter. One half of the diameter of a circle is called the _____of the circle. Complete the table below ~ use 3.14 for . é: Radius Diameter Circumference Circle 1 10 Circle 2 2 Circle 3 17.27 Circle 4 7 Circle 5 1.5 If a circle has a 25 meter radius, then what is the circumference?
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[DOC File]Circle Worksheet
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The circumference of Circle A is about 95.8 cm because 1⋅12⋅2.54⋅π≈95.8. The circumference of Circle B is 100 cm because there are 100 cm in 1 m. Problem 5 (from Unit 3, Lesson 3) The circumference of Tyler's bike tire is 72 inches. What is the diameter of the tire? Solution.
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[DOC File]Comparing and Contrasting Area and Circumference of Circles
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Feb 14, 2012 · a) The circumference of a circle with a diameter of 15 cm. b) The radius of a circle with a diameter of 480 in. c) The circumference of a circle with a radius of 320 cm. d) The diameter of a circle with a radius of 522 ft. The radius, diameter, or circumference of a circle is given. Find the missing measures. Show your work. Radius Diameter ...
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[DOCX File]Lesson 1 - Scottsbluff Public Schools
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Find the circumference or area of each of the following. Leave in terms of pi (). Find the radius given the circumference or area. 6. 7. 8. C = 20 m A = 16 in.2 C = 7 cm. Find the arc length or sector area. 9. 10. 11. Answer the following questions. 12. Guineverre is making a …
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[DOCX File]Circumference of a Circle
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What is the circumference of the circle? 31.4 m. 78.5 m. 15.7 m. 10 m. A circle has a circumference of 6 m. Which expression could be used to determine the radius? 6 π B. 12 π C. 6 π D. 6 2π . A basketball has a circumference of 30 inches. Which expression could be used to determine the diameter of the basketball?
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Circumference of a Circle
The circumference of a circle is 9.7 in. Calculate its diameter. 3b. The circumference of a circle is 2.8 in. Calculate its radius. 4a. The circumference of a circle is 7.9 cm. Calculate its radius. 4b. The radius of a circle is 8.4 in. Calculate its circumference. 5a. The circumference of a circle is 5.1 mm. Calculate its diameter. 5b.
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What is the circumference of a circle