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[DOC File]Lesson Lab: Cirle Investigation
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2. Students will use a ruler to measure the length of the diameter of each circle, and use a ruler and string to measure the circumference of each circle. Students will use the List function on the TI-83 plus to record data in . small groups. Students will then create a new "Ratio" list by dividing the circumference list by the diameter list. 5.
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[DOC File]Summary of Lesson Lab: CIRCLES
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The endpoints of the diameter of a circle are at A(-5, 2) and . B(3, 4). Find the center and radius of the circle. Standard Equation of a Circle. Given (h, k) as the center of a circle, (x, y) as a point on the circle, and using the distance formula to find the radius, write the equation for a circle. (Eliminate the radical.) Guided Practice ...
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[DOC File]Unit 4: Circles and Area
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2. A line passing through the center of a circle. with both endpoints on the circle is called the r r. diameter. ( symbol for diameter is . d ). d * Notice that one diameter equals two radii. d = 2 × r or d = 2r [ One full circle has 3600 – angles are measured using degrees. ] Examples: 1. Find diameter. a).
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[DOC File]UNIT: Circles
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Measure its diameter and its circumference and record your results. Create a circle of different size, measure its diameter and circumference, and record your results. Repeat this process several more times. Use the data and a calculator to investigate the relationship between the diameter and circumference of a circle.
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[DOCX File]Mathematics Instructional Plan – Grade 6
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Ask them what they observe about the circumference divided by the diameter of each circle. They should notice that each ratio is the whole number 3 followed by different numbers in the decimal places. Point out that they have discovered that the circumference of a circle is a little more than three times larger than the diameter of the same circle.
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[DOC File]SPIRIT 2
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The diameter and circumference will need to be measured for each circle created. Place a string along the path of the robot marking the circle it created. The diameter can then be measured and the circumference can be found by measuring the length of the string. Students can come up with this technique on their own or you can determine the process.
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[DOCX File]Discovering Pi: Circumference, Diameter, and Radius
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Measure the circumference and diameter of circular (and spherical) items in your classroom. All measurements should be double checked for accuracy. Use a calculator to determine the ratio of C ÷ d.
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[DOC File]Math Test—Calculator - College Board
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Math Test—Calculator. 38 Questions. ... One method of calculating the approximate age, in years, of a tree of a particular species is to multiply the diameter of the tree, in inches, by a constant called the growth factor for that species. ... A point is shown in the center of the circle and another point is shown at the top of the circle ...
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[DOC File]CIRCUMFERENCE OF A CIRCLE
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Now fold the circle in half creating two congruent parts. The fold is the diameter. Trace along the diameter using a blue colored pencil and ruler and label it “diameter.” Now, fold the circle along the diameter again and then fold to create four equal, or congruent, sections of the circle.
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[DOC File]GCSE Exam Questions on Plans and Elevations
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[4 marks] Question 14. (AQA June 2007 Intermediate Paper 1 NO Calculator) A semi-circle is cut from a circle. The circle has a diameter of 30 cm. The semi-circle has a diameter of 20 cm. Calculate the shaded area. Give your answer in terms of π. [3 marks] Question 15. (AQA November 2005 Intermediate Paper 1 NO Calculator)
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Diameter of a circle calculator