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[DOC File]Unit 4: Circles and Area
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Unit 4: Circles and Area – Grade 7 Name:_____ 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”.
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[DOC File]Comparing and Contrasting Area and Circumference of Circles
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Select the circle. Go to Measure and select Area. Select the circle. Go to Measure and select Circumference. Drag the point on the circle to increase or decrease the radius of the circle. Create a table with two columns, recording the radius, area. Collect six pairs of values. Create another table with two columns, recording the radius and circumference.
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[DOC File]Lesson Title: Math – Determine the circumference of ...
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starting point for the rotation and a calculator. When they have they complete their measurements and calculations, give them a string to measure the actual circumference. Students will take the string along the OUTSIDE of the hula hoop, mark the circumference on the string and then lay the string out flat and measure it to determine actual ...
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[DOC File]Lesson #1: Area of Circles
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Solve for the area of a circle with a radius equal to 4 meters. (1) Area = 3.14 x (4 x 4) Apply the amounts given in the problem to the formula. (2) Area = 3.14 x 16 Multiply the numbers within the parentheses. (3) Area = 50.24 Perform calculations to find the answer. A semicircle is half of a circle.
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[DOC File]Indirect measurement with a clinometer
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Calculator. Notebook. Circumference/Diameter worksheets. Measuring tape (inches) Michigan State Standards-G1.6.1 Solve multistep problems involving circumference and area of circles. L2.3.1 Convert units of measurement within and between systems. Lesson 2-Tree Measurement 2- Tree Height.-Students will use trigonometric ratios to determine an ...
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[DOC File]Fermi Questions
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The area of the oceans is about 70% of the Earth’s total surface area. Therefore, the area of the Earth’s oceans is 0.70*5*108 km2 = 3.5*108 km2 FA = 8. Estimate the volume of the oceans habited by most fish, m3. The volume equals the area of the oceans * depth. For this part, we have to estimate the depth below which there are few fish.
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[DOC File]VERTICAL ALIGNMENT DOCUMENT – MATHEMATICS GRADE …
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•Using a graphing calculator (specifically using the table function in the calculator). An option would be to teach linear regression using the calculator. A.1B Gather and record data and use data sets to determine functional relationships between quantities. ... Using the given data to solve for perimeter, circumference, area, volume or a ...
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[DOC File]| Ohio Aspire Professional Development Network
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Project slide 18/22 from Find the Circumference of a Circle by Using the Area and have students solve the problems. Before class is over (last 5 min.) – summarize what was learned and discuss the action steps in solving for Circumference when Area is given. Use the area to find the circumference. Use the area formula to find the radius.
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[DOC File]Area, Perimeter and Circumference Review WS
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Area, Perimeter and Circumference Review WS B. Use the figure below to answer questions 22 and 23. 22. What is the perimeter of this compound figure? 23. What is the area of this compound figure? 24. Find the area of the shaded region. 25. Find the area of the shaded region. 26. Susan makes a rectangular rug that has an area of 300 square ...
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[DOC File]Circumference and Area of a Circle Exam Questions
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Circumference and Area of a Circle Exam Questions. Jasmin has a pond in her garden. The surface of the pond is a semicircle of radius 1.4m. Calculate the area of a semicircle of radius 1.4 m. Give your answer to a sensible degree of accuracy. You . must . show your working.
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Circumference to area calculator