Geometry Unit 12 Distance and Circles Distance and
- Slides: 16
Geometry Unit 12 Distance and Circles
Distance and Circles �Content Objective: Students will be able to identify distances between points, using them to make the equations of circles. �Language Objective: Students will be able to graph circles whose equation was given or discovered by calculating distances between points.
Distance � A B
Distance �
The Distance Formula �
Practice – Distance �Find the distance between the given points
Distance Examples �Find the distance between the given points
Circles – Review � Recall that for a circle… � Center: The point in the plane that all points of the circle are equidistant to. � Radius: The line that represents the distance from any given point on the circle to the center. Center Since the radius can be expressed as the distance between the center and all points around it, we can use the distance formula to make an equation for the circle…
Equation of a Circle �
Finding Center and Radius �
Practice - Circles Write the equation of a circle with the given information �
Practice - Circles Write the equation of a circle with the given information � To solve this problem, you must use: Midpoint: The center would be the midpoint of the given points: Distance: The distance from the center to either of these points would be the radius
Practice - Circles Write the equation of a circle with the given information �
Practice - Circles Write the equation of a circle with the given information �
Practice - Circles Find the center and radius of the circle with the given equation. Sketch the graph. �
Practice - Circles Find the center and radius of the circle with the given equation. Sketch the graph. �
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