Circumference of a circle calculator
[DOC File]CIRCUMFERENCE OF A CIRCLE
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The objective for this lesson on Circumference of a Circle is, the student will explore the circumference of a circle and apply the formula to solve mathematical and real-world problems. The skills students should have in order to help them in this lesson include, perimeter of a square.
[DOC File]Unit 4: Circles and Area
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Sec 4.2: Circumference of a Circle. The distance around the circle is called the circumference. It is the perimeter of the circle. The circumference, C, of any circle be found using the equation C = π × d. C = π d. The symbol, π, is a Greek letter called “pi”. It represents the number 3.141592653589…
[DOC File]Circumference and Area of a Circle Exam Questions
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(a) Calculate the area of a circle of radius 8 cm. (3 marks) (b) A semi-circular protractor has a diameter of 9 cm. Calculate the perimeter. (3 marks) _____ A circular pond has a radius of 2.2 m. (a) Calculate the circumference of the pond. (2 marks) (b) Calculate the area of the pond. (3 marks)
[DOC File]Comparing and Contrasting Area and Circumference of Circles
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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 ...
[DOC File]Area and Circumference of a circle
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Area and Circumference of a circle. If you don’t have a scientific calculator, use π = 3.14. Part One. Find the circumference of the following circles. Draw a small diagram, show all of your working, and leave your answers to one decimal place. Diameter = 6cm. Radius = 2cm. Radius 15 mm. Diameter = 0.25 miles. Diameter = 14 yards. Part Two
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