Term
altitude of a parallelogram
altitude of a trapezoid
altitude of a triangle |
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Definition
__________ of a parallelogram: A perpendicular segment that connects the line containing one base of parallelogram with the side opposite that base.
__________ of a trapezoid: A perpendicular segment from a line containing one of the parallel sides of a trapezoid (a base) to the line containing the side opposite that base.
__________ of a triangle: A perpendicular segment that connects one vertex of a triangle with the line containing the side opposite that vertex. |
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Definition
| A perpendicular segment connecting the center of a regular polygon and one of the sides of the regular polygon. |
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Term
| center (of a regular polygon) |
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Definition
| The point that is equidistant from all vertices of a regular polygon. |
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| The perimeter of—or the distance around--a circle. |
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| The statement formed by switching the hypothesis and conclusion of a conditional statement to form a new conditional statement. |
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| The length of the altitude of a polygon. |
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| The longest side in a right triangle. It is opposite the right angle in the right triangle. |
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| The sum of the side lengths of a polygon. |
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| A closed plane figure formed from three or more segments such that each segment intersects exactly two other segments, one at each endpoint, and no two segments with a common endpoint are collinear. |
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Definition
A statement that is accepted as true without proof.
(Also known as an axiom). |
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| A polygon that is equiangular and equilateral. That is, all of its angles have the same measure, and all of its sides have the same measure. |
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| An angle whose measure is 90 degrees. |
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| A statement that has been proven true using deductive reasoning. |
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