FeatureLesson Geometry Lesson Main In the diagram below, O circumscribes quadrilateral ABCD and is inscribed in quadrilateral XYZW. 1.Find the measure.
Arc length and area of sector
WARM UP 1. What do complementary angles add to? 2. What do supplementary angles add to? 3. Find a the complementary angle and supplementary angle to 60.
Allyson, Amanda, Christy, Lisa, and Jordan. 2/3 C=69.71 ft 120 0 A = 615.75 km 2 x = 56.25 Answer Key.
Lesson 8-1: Circle Terminology 1 Lesson 9-1 Circle Terminology.
8-2A Arcs and Central Angles What is a central angle? How are arcs defined? What is a major arc? What is a minor arc? What is the measure of a semicircle?
10-2 Measuring Angles and Arcs You measured angles and identified congruent angles. Identify central angles, major arcs, minor arcs, and semicircles, and.
Warm-Up
8-2A Arcs and Central Angles
CIRCLES
Geometry 1 Area and Circumference of a Circle. Central Angle A central angle is an angle whose vertex is at the center of the circle. 2 The measure of.
12.3 Inscribed Angles
