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Objective: Find the circumference and area of circles
Circle – Label The parts Radius Diameter
C=2 r Circumference: C=2 r Circumference is the length of the distance AROUND the circle Take 2 times the radius and pi
Circumference: C=2r Find the circumference of a circle with radius 5. Find the circumference of a circle with diameter in. 10 in.
Circumference Find the circumference of a circle with radius 2. Find the circumference of a circle with diameter 8.
Area of a Circle AreaArea of a circle is the amount of space the circle covers.
Area of a Circle Find the area of a circle with radius 9. 9 feet
Find the area of the circles below. 1)2) 6 in. 16 m
Area of a Circle Find the area of a circle with radius 5.
Area of a Circle Find the area of a circle with diameter 24.
Instructional Conversation Problem #1 What is the formula for circumference?
Instructional Conversation Problem #2 Find the circumference. 4
Instructional Conversation Problem #3 What is the formula for area of a circle?
Instructional Conversation Problem #4 Find the area. 20
1.8: Perimeter, Circumference, and Area Part I. Today’s Objectives Solve for the perimeter or circumference of basic shapes Use the distance formula.
Warm-Up Find the area: Circumference and Area Circles.
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AREA OF A CIRCLE Lesson Parts of a Circle Finding the Area Area means the amount of space covered. The symbol is called pi and is approximately.
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Calculator Tricks Magic Buttons for the TI-30Xa. Squares Squared 5 2 A = s 2 (area of a square) Find the following: 1.12 squared 2.Area of a square with.
Circles When working with circles make sure you have the diameter and radius. Formulas Circumference = π * diameter C = πd Area = π * r 2 A = πr 2.
Circles: Area and Circumference. Definitions Circumference: Distance around the outside of a circle Area: How many squares it takes to cover a circle.
Objective: To identify regular polygons. To find area, perimeter and circumference of basic shapes. Perimeter, Circumference, Area Name Class/Period Date.
Lesson 8.7 Concept: How to find the circumference of a circle. Guidelines: *The diameter of a circle extends from one side of the circle to the other.
Lesson 1-7: Perimeter,Circumference & Area Warmup A has coordinates (3, 8). B has coordinates (0, –4). C has coordinates (–5, –6). 1. Find the distance.
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Perimeter and Area Formulas. Perimeter is the distance around an object. It is easily the simplest formula. Simply add up all the sides of the shape,
Area, Circumference & Volume Objective: TLW a) Apply the given formula to find the area of a circle, the circumference of a circle, or the volume of a.
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