Bellwork: What is the formula for a) the circumference of a circle and b) the area of a circle? What is the area of a circle with circumference 18 cm? What is area of 1/3…

Warm-Up 1. Find mQRS. O P Q R S 2. Find mQPS. 3. Find the circumference of the circle. Given circle O has a radius of 12 in., and PR is a diameter: 4. Find the length of…

Measuring Arcs The measure of the entire circle is ______.The measure of a major arc is the difference between ______ and the measure of the related minor arc. The measure…

Geometric photo Geometric photo By: Mary byrd Base of triangle The side of a triangle which is perpendicular to the altitude.   box A box shape in three dimensional…

4.1a: Central/Inscribed Angles in Circles M(G&M)â10â2 Makes and defends conjectures, constructs geometric arguments, uses geometric properties, or uses theorems to…

Circle Geometry Conjecture: a mathematical statement that appears likely to be true, based on your observations, but has not been proven Conjectures about ARCs & ANGLES⦅

circle - set of all points in a plane at a given distance from a given point in the plane Parts of a Circle: radius - segment from point on circle to circles center center…

PowerPoint Presentation Circles What will we learn Parts of a circle including radius, diameter, arcs, angles How to find arc measures How to find angle measures Parts of…

PowerPoint Presentation Unit 3 Circles & Lines Section 1 Key Terms Write down everything you know about circles! Chord Line segment that connects two points on a circle…

Lesson 6.2 Properties of Chords Homework: Lesson 6.2/1-12 Objective: Discover properties of chords of a circle What is a chord? A chord is a segment with endpoints on a circle.…