Page 3 - Wilson Tangents, secants, chords, angles in circles student binder_Neat

AG 1.1 Area, Circumference, Central Angles, Arcs Name

Warm Up: Notes 1: State formulas
for area and
1. Identify the diameter. circumference
2. Name a secant. Notes 2: Define chord,
3. Name two chords. major arc, minor arc,
4. Identify 3 radii. diameter, concentric
5. Identify a tangent. circles.
6. Name a central angle and its
corresponding minor arc. Notes 3: What is
7. Identify a major arc. relationship between
central angle and arc
measure?

Notes 4: State properties of tangents to circles. Notes 5: Define circle.

Independent work. State exact answers for 1-9
Find circumference. Find area.

Find circumference.

Find area. 5) If circumference is 8pi miles, 6) If area is 8pi km , find
find area. circumference.

7) If area is 22 yards, find 8) If area is 192π yards, find r. 9) If circumference is 30
radius. units, find r.

Find the measure of the arc or central angle indicated. Assume that lines which appear to be