How to measure diameter of circle
[DOCX File]Discovering Pi: Circumference, Diameter, and Radius
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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.
[DOCX File]Lesson 1 - Scottsbluff Public Schools
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Use a ruler to measure the diameter of the circle, using the unit (inches or cm) given on the chart. Write down the diameter in the column labeled Diameter. Calculate the circumference by multiplying by ( (3.14) and enter your answer in the column.
[DOC File]Measuring Circumference of Circles Activity
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It is also helpful to have a ruler (to measure out the radius). Example: Draw a circle that has a diameter of 10 cm. Label the diameter and the radius. Circumference of a Circle. Try this: 1.Your friend missed last day’s math class. Explain in words how to draw a circle using only a compass and a ruler. 2. Draw a circle that has a diameter of ...
Chapter 9 Circles
the circle (“on the circle” means on the perimeter) Secant – a line that contains points on the interior of a circle as well as the exterior (a line that runs through a circle) Diameter – a chord that contains the center of a circle (2 radii end-to-end) Tangent – a line, segment or ray that touches a circle
[DOC File]Lesson Lab: Cirle Investigation
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Measure from the dot to an edge – this is the . radius. Try measuring from the dot to several points on the edge of the circle, radii should be equal. Students can measure from center to any point on the edge. Measure from edge to edge, crossing the dot on the lid. The represents the . diameter. or the distance across a circle. Measure 2 radii.
[DOC File]Circles
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Circle A has area 500 in2. The diameter of circle B is three times the diameter of circle A. Estimate the area of circle B. Solution. About 4,500 in2. If the diameter is 3 times greater, the area must be 32, or 9 times greater. Problem 4 (from Unit 3, Lesson 5) Lin’s bike …
Calculate the Diameter of a Circle, from Its Area
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.
[DOC File]MATH LESSON PLAN
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What is the measure of the Bolt Circle Diameter _____. STEP 6: Compare your answer to STEP 5 with your answer to STEP 4 _____. STEP 8: Describe the procedure of finding the Bolt Circle Diameter if the Chord Length is known. ...
[DOC File]UNIT: Circles
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If CA is a diameter of circle O: Name: Two minor arcs. Two major arcs. Two semicircles. An acute central angle. Two arcs with the same measure. Y. W. T. X. O. 50˚ 30˚ Z. Give the measure of each angle or arc if YT is a diameter of circle O. WX
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