Final Ch. 10 and 11

Question 1

Parts of a circle:
1. Chord= A ____ with its _____ on the circles ____.
2. Radius: a ____ from the ____ to the ____.
3. Diameter: a ____ through the ___ of a circle.
4. Secant: a ___ that ____ the circle exactly ____.
5. Point of tangency: point that touches the circle ___.
6. Tangent: a ___ that ____ the circle exactly ___.
7. Semicircle: ___°
8: minor arc: ___ than 180°
9: major arc: ___ than 180

Answer 1

1. Segment, endpoints, circumference.
2. Segment, center, circumference.
   3: chord, center
3. Line, intersects,twice.
4. Once
5. Line,intersects,once
   7: 180
   8: less
   9: more

Question 2

Angles with circles:
1. A quadrilateral inside a circle: ____ angles add up to ____°.
2. ____ angles are ___ the arc.
3. ___ angles ____ the arc.
4. ____’s in the middle are ____ of the sum of the arcs.

Answer 2

1. Opposite,180
   2.inscribed, half
2. Central, equal.
3. Angles,half.

Question 3

Segments of a circle:
1. ____ chords make ____ parts.
2. The product of the _____ of 1 S___ is e____ to the p__& of the other.
X(y) = a(b)

Answer 3

1. Congruent, congruent.
2. Sections, segment, equal product.

Question 4

Equation of a circle:(x-___)^_ + (y-___)^_ = __^2

Answer 4

H,^2, k, r

Question 5

Fractions of a circle:
- Proportion between ____ of ____, ____ and ____.

Answer 5

• Fraction,degrees, circumference, area