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geometrymidtermexam
| Question | Answer |
|---|---|
| An angle with a measure between 0 degrees and 90 degrees. | acute angle |
| Two angles that share a common vertex and side, but have no common interior points. | adjacent angles |
| A segment that originates at the vertex of a triangle and makes a right angles with the line that contains the opposite side. | altitude |
| A segment that divides an angle of a triangle into two equal parts. | angle bisector |
| Two true conditional statements that are converses of each other. | biconditional |
| Point of intersection of the medians. | circumcenter |
| Two angles whose sum of their measures is 90 degrees. | complementary angles |
| Three or more lines that intersect at one point. | concurrent lines |
| Two geometric figures that are the same size and shape. | congruent figures |
| An unproved statement that seems to be true. | conjecture |
| The statement formed by switching the hypothesis and conclusion of a conditional statement. | converse |
| The statement formed when you negate the hypothesis and conclusion of the converse of a conditional statement. | contrapositive |
| An example that shows a conjecture is false. | counterexample |
| A polygon with 10 sides. | decagon |
| Reasoning logically from accepted facts. | deductive reasoning |
| A polygon with 12 sides. | dodecagon |
| A triangle with 3 congruent angles. | equiangular triangle |
| A triangle with 3 congruent sides. | equilateral triangle |
| A polygon with 7 sides. | heptagon |
| A polygon with 6 sides. | hexagon |
| Point of intersection of the angle bisectors. | incenter |
| Reasoning that includes making conclusion based on observations. | inductive reasoning |
| The statement formed when you negate the hypothesis and conclusion of a conditional statement. | inverse |
| A triangle with at least 2 congruent sides. | isosceles triangle |
| Two adjacent angles whose non-common sides are opposite rays. | linear pair |
| A segment that connects a vertex of a triangle to the midpoint of the opposite side. | median |
| A point that divides a segment into 2 congruent segments. | midpoint |
| A polygon with 9 sides. | nonagon |
| An angle whose measure is between 90 degrees and 180 degrees. | obtuse angle |
| A polygon with 8 sides. | octagon |
| Point of intersection of the altitudes. | orthocenter |
| Two coplanar lines that do not intersect. | parallel lines |
| A polygon with 5 sides. | pentagon |
| A segment that intersects the side of a triangle at its midpoint and makes a right angle. | perpendicular bisector |
| Lines that intersect to form a right angle. | perpendicular lines |
| A statement that is accepted as true without proof. | postulate |
| A polygon with 4 sides. | quadrilateral |
| A set of points extending infinitely in one direction. | ray |
| A polygon that is both equiangular and equilateral. | regular polygon |
| An angle with the measure of 90 degrees. | right angle |
| A triangle with no congruent sides. | scalene triangle |
| A part of a line with two endpoints. | segment |
| Two non-coplanar lines that do not intersect. | skew lines |
| The set of all points. | space |
| An angle with the measure of 180 degrees. | straight angle |
| Two angles whose sum measures 180 degrees. | supplementary angles |
| A statement that must be proved to be true. | theorem |
| A line that intersects two or more coplanar lines at different points. | transversal |
| Two angles whose sides form two sets of opposite rays. | vertical angles |
Created by:
kwillcockson
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