PPT-6.5 Circumference and Area of a Circle

I can use formulas to find the circumference and area of a circle Parts of a circle The perimeter of a circle The distance around The diameter is a segment that passes through the center of a circle with both endpoints on the circle. Geometry . Unit 5. Warm Up. 1) Complementary angles add up to ______.. 2) The angles in a triangle add up to _______.. 3) _________________________ is when you find the average distance from the mean of a set of data.. Chapter 7. Lesson . 7. -. 1. A. B. C. D. A.. 145. B.. 125. C.. 55. D.. 35. Refer to the figure. Find . m. 1 if . m. 2 is 35°.. (over Chapter 6). A. B. C. D. A.. . L'. (0, 2), . M'. (–2, 0), . Solve:. . . 3 . x = . 1 . . . 5 4. Answer:. x = 5/12 . Lesson 39: Circumference of a Circle. To draw a circle we can use a compass, a tool with a pivot point and a drawing point. As we swing the compass around its pivot point the drawing point traces a circle. Every point on the circle is the same distance from the center. . 12.1: Area of Rectangles. Area of Rectangles. The Area of an L-unit by W-unit rectangle is. Area = L x W. True for any non-negative values L and W. Section 12.2: Moving and Additive Principles About Area. SPI 6.4.4 . I CAN identify parts of a circle.. I CAN find the circumference and area of a circle.. Parts of a Circle. Center – named from the center point. . Radius – one endpoint at the center; the other endpoint on . L. E. Q. How do you find the perimeter, circumference, and area of rectangles, squares, and circles?. How do you find the perimeter of a square with side length s?. How do you find the area of a square with side length s?. What is the circumference and the area of the following circles with the given information.. 1. Radius = 7cm. 2. Diameter = 12in. 32.1 Circumference and Area of a Circle. EQ: How do you develop and apply a formula for the circumference and the area of a circle?. Circumference and Arc Lengths. You should already know….. The circumference of a circle is its perimeter.. C = πd or C = . 2πr. Leave answer in terms of π. .. Only use a calculator when asked to approximate.. x = . 1 . . . 5 4. Answer:. x = 5/12 . Lesson 39: Circumference of a Circle. To draw a circle we can use a compass, a tool with a pivot point and a drawing point. As we swing the compass around its pivot point the drawing point traces a circle. Every point on the circle is the same distance from the center. . Geometry. Mr. Bower. BowerPower.net. Circles - Circumference. The perimeter (distance around) a circle is called its CIRCUMFERENCE.. Circles - Circumference. The perimeter (distance around) a circle is called its CIRCUMFERENCE.. 5.3 Circumferences . & Areas of Circles. HSPA Problem of the Day:. Which figure below does . not. have an area of 100? . A. A . rectangle with length 2 . & . height 50.. B. A . triangle with base 100 . Naming the parts of a circle. A . circle. is a set of points . equidistant. from its . centre. .. The distance around the outside of a circle is called the . circumference. .. The . radius. is the distance from the centre of the circle to the circumference.. Areas . of Circles and Sectors. Objectives:. To find circumference and arc length. To find the area of circles and sectors. Let’s Have Some . π. Circumference. The distance around a circle is its . Areas . of Circles and Sectors. Objectives:. To find circumference and arc length. To find the area of circles and sectors. Let’s Have Some . π. Circumference. The distance around a circle is its .