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[DOC File]Indirect measurement with a clinometer
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-Students will use the circumference of a circle to derive the diameter.-Students will convert circumference to diameter and create their own diameter tape. Lesson/Intro-Review or introduce the relationship between a circle’s diameter and its circumference (Circumference is equal to the diameter …
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[DOC File]GCSE Exam Questions on Plans and Elevations
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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] Question 2. (AQA June 2004 Intermediate Paper 2 Calculator OK) The length of a rectangle is 10.8 cm. The perimeter of the rectangle is 28.8 cm. Calculate the width of this rectangle. [3 marks] Question 3.
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[DOC File]MATH LESSON PLAN
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Students identify diameter, radius, circumference and pi as properties of a circle. 1.3.20, 1.4.19 Determine the degree of precision required by the situation. Pi is rounded from an infinite number to 3.14 1.3.21, 1.4.20 Solve problem using appropriate quantitative procedures and verify that the …
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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]Area and Circumference of a circle
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Radius = 14cm. Radius = 11 mm. Diameter = 8cm. Radius = 3 yards. Diameter = 1 mile. 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 ...
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[DOC File]Fermi Questions - Science Olympiad
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Some Facts. Gold, atomic weight 197 and atomic number 79, has a nuclear radius of 7.3x10-15 m and an atomic radius of 1.3x10-10 m. A proton and neutron are of equal mass and 2000 times more massive than an electron. The Sun has a diameter of 1.4x106 km and a …
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[DOCX File]5-10 geometry - human circle
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Have students measure the circumference, diameter, and radius in millimeters. Fill in each of the three measurements and then use a calculator to compare the indicated measurements. Provide students with a collection of four or five circular objects (e.g., lid, flying disc, roll …
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[DOC File]CIRCUMFERENCE OF A CIRCLE
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The four line segments that extend from the midpoint to the circumference are each a radius. Choose one radius, trace over it with an orange pencil, and label it “radius.” RADIUS AND DIAMETER. Using the circle we marked with radius and the diameter, make a prediction about how many of the radii would equal the diameter of the circle.
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In the previous chapters we have explored a variety of ...
Recall the circumference (perimeter) of a circle is , where r is the radius of the circle. The smaller circle then has circumference and the larger has circumference. Drawing a 45 degree angle on the two circles, we might be interested in the length of the arc of the circle that the angle indicates.
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[DOC File]Unit 4: Circles and Area
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Since the diameter = 2 × radius, we can also use the following equation to find circumference: C = π × 2r or C = 2 π r. Circumference, radius and diameter of a circle are all distance measurements. Therefore, the units are cm, mm, m, km, etc. Examples: 1. A toonie has a radius of 1.4 cm. a). Find the diameter Answer: d = 2 × r
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Radius diameter circumference calculator