hare215Example+Questions+(with+answers)

Find measure of arc using the equation **L = M / 360° (2pi//r//)**; round answer to nearest hundredth L = 15 r = 14 Answer: 15 = M/360(2pi14) 15 = M/360(28pi) (15/28pi)=[M/360(28pi)]/28pi 15/28pi=M/360 15/28pi=(M/360)360 360/1=15/28pi 360x15=5400 28pi=87.9645943 5400/87.9645943=61.38833519 Arc/M=61.39 Find radius. r = 5 Find the following: mAB, m<ACD, m<AEB, m<BDP and m<P Answers: mAB = 100 m<ACD = 60 m<AEB = 100 m<BDP = 20 m<P = 40 Find ED. Answer: 6x8=4x (48)/4=(4x)/4 24=x Find center and radius for each. x² + y² = 49 Answer: (0,0) r = 7 (x-3)² + (y-12)² = 25 Answer: (3,12) r = 5
 * Chords and Arcs:**
 * Tangents to Circles**
 * Angles Formed by Secants and Tangents**
 * Segments of Tangents, Secants, and Chords**
 * Circles in the Coordinate Plane**