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[DOC File]Unit 4: Circles and Area
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Area of a Circle = π × r × r . and r = radius. Area = π r 2 * Since its area the units are still squared. Examples: 1. Find the area of each circle. Round answers to the nearest tenth…one decimal place. a). Area = π × r × r. 5 cm b). diameter = Area = π × r × r. 8.4 m radius =
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[DOC File]Summary of Lesson Lab: CIRCLES
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The area of a circle is used to calculate volume of a cylinder. Learning and Proficiency Objectives: Students will use the distance formula to derive the equation of a circle. (OCBM #11) Given the center of a circle and a point on the circle or two endpoints of a diameter, students will write the equation of the circle in standard form. (OPO #15)
area of circle using diameter

[DOCX File]Mrs. Brandley's Classroom - Home
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_____ I can find the area of a circle given the radius or diameter. ... Find the circumference of each circle with the given radius or diameter. Round to the nearest tenth, use 3.14 for π. 1. r=6 cm 2. d=47 ft 3. A pop can that has a radius of 1.5 in.
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[DOC File]Geometry 2-B
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23. Find the approximate circumference of a circle with . diameter = 10cm 24. Find the approximate circumference of a circle with . radius = 5cm 25. Find the exact circumference of a circle with . radius = 3cm. 26. Find the exact circumference of a circle with . diameter = 12cm. 27. State the . FORMULA. for finding ARC LENGTH: Use the formula ...
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[DOC File]The radius, diameter, circumference, and area of a circle
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Feb 14, 2012 · The radius, diameter, or circumference of a circle is given. Find the missing measures. Show your work. Radius Diameter circumference Area. 10inch. 10 76.4 10.4 314 1 Title: The radius, diameter, circumference, and area of a circle Author: tkidicula Last modified by: tkidicula Created Date: 2/15/2012 3:19:00 AM ...
diameter of circle calculator from area

Area of circle given diameter