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Geometry Chapter 9 Section 2PowerPoint Presentation

Geometry Chapter 9 Section 2

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Geometry Chapter 9 Section 2

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Geometry Chapter 9 Section 2

Arcs and Angles

- An angle with the center point as the vertex

G

Minor Arc

Name a Minor Arc with its two endpoints

J

G

Major Arc

J

Name a Major Arc with an endpoint, a point on the circle and another endpoint

K

- Measure of an arc = the measure of the degrees of the central angle that intercepts that arc

Angle EWF = 380

Arc EF = 380

Arc EGF = 3600 - 380

F

E

W

J

G

Angle EWF = 380

GF is a Diameter

Find arc EW

Find arc GJE

F

E

W

J

G

JF = 2(EF) – 5

JG = 2(EF)

EG = 2(JG)

Find EF

F

E

W

J

G

- 2 circles 1 center point

- The distance of an arc

- Page 455 problems 19 - 42