Angles in Circles Review Radius A radius is
- Slides: 33
Angles in Circles Review
Radius A radius is the distance from the center of the circle to a point on the circle
Diameter A diameter is the distance across the circle through its center. It is made up of two radii. Therefore, we have two equations for the relationship between a radius and diameter
Central Angles vertex In a central angle, the vertex of the angle is on the CENTER of the circle.
Central Angles The measure of the central angle is EQUAL to the measure of its intercepted arc.
Central Angles Find the measure of arc HJ & arc FGH
Central Angles Find the measure of arc CDE & arc BCD
Central Angles Find the measure of arc LMN & arc LNP
Inscribed Angles In an inscribed angle, the vertex of the angle is on the EDGE of the circle. vertex
Inscribed Angles The measure of the inscribed angle is HALF of the measure of its intercepted arc.
Inscribed Angles Solve for x and y.
Inscribed Triangles If an inscribed triangles hypotenuse is the diameter of the circle, it is a right triangle.
Inscribed Triangles Solve for x and y.
Inscribed Triangles Solve for x, y, and z.
Inscribed Quadrilaterals The OPPOSITE angles in an inscribed quadrilateral are SUPPLEMENTARY.
Inscribed Quadrilaterals Solve for x and y.
Inscribed Quadrilaterals Solve for x, y, and z.
Vertex : ON the circle vertex
Vertex : ON the circle The rule is the same as inscribed angles. The measure of the angle is HALF the measure of its intercepted arc.
Vertex : ON the circle Solve for x and y.
Vertex : ON the circle Solve for x and y.
Vertex : ON the circle
Vertex : INSIDE the circle vertex
Vertex : INSIDE the circle
Vertex : INSIDE the circle
Vertex : INSIDE the circle
Vertex : INSIDE the circle
Vertex : OUTSIDE the circle vertex
Vertex : OUTSIDE the circle
Vertex : OUTSIDE the circle
Vertex : OUTSIDE the circle
Vertex : OUTSIDE the circle
Vertex : OUTSIDE the circle
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