| CENTER OF A REGULAR POLYGON |
CENTRAL ANGLE OF A CIRCLE |
CHORD |
| The concurrent point formed by the intersection of the regular polygon diagonals. All regular polygons can be inscribed in a circle. |
An angle formed by two rays originating
from the center of the circle. |
A segment whose endpoints are on the circle. |
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| CIRCLE AREA |
COLLINEAR POINTS |
COMON EXTERNAL TANGENT |
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Points lying on the same line. |
The tangent lines to two or more circles such that they do not intersection the segment
between the circle centers. |
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| COMMON INTERNAL TANGENT |
COMPLEMENTARY ANGLES |
CONCAVE POLYGON |
| The tangent lines to two or more circles such that they do intersection the segment between the circle centers. |
Angles that sum to 90 degrees. |
A polygon that is not comvex. |
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| CONE ALTITUDE |
CONE VOLUME |
CONVEX POLYGON |
| A segment from the vertex (apex) perpendicular to the base. |
The volume of a cone. |
A convex polygon is one in whih any line segment connecting two points of the polygon has no part outside the polygon. |
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| CORRESPONDING ANGLES |
COUNTER EXAMPLE |
CYLINDER ALTITUDE |
| Two nonadjacent angles, one in the interior and one exterior, that lie on the same side of a transversal. |
An example that proves that a statement, often a conjecture, is false. |
A segment that has endpoints in the planes cotaining the bases and is perpendicular to both bases. |
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| CYLINDER VOLUME |
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| The volume of a cylinder. |
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