| Hint | First Letter | Answer | % Correct |
|---|---|---|---|
| An angle whose measure is between 0 degrees and 90 degrees. | A | {Acute} angle | 96%
|
| An angle whose measure is 90 degrees. | R | {Right} angle | 87%
|
| An angle whose measure is greater than 90 degrees but less than 180 degrees. | O | {Obtuse} angle | 84%
|
| Coplanar lines that do not intersect. | P | {Parallel} lines | 75%
|
| A set of points with infinite length, but no width or height. Named using a lower case letter or any two points on the line. | L | Line | 67%
|
| A triangle with no sides congruent. | S | {Scalene} triangle | 67%
|
| A triangle with at least two sides congruent. | I | {Isosceles} triangle | 66%
|
| The figure formed by three segments joining three noncollinear points. | T | Triangle | 65%
|
| In a right triangle, the sum of the areas of the squares on the legs is equal to the area of the square on the hypotenuse: a2 + b2 = c2 | P | {Pythagorean} Theorem | 63%
|
| Segments that have the same length. | C | {Congruent} segments | 60%
|
| A part of a line that consists of two endpoints and all the points between them. | S | Segment | 56%
|
| Two angles whose sum is 90 degrees. | C | {Complementary} angles | 54%
|
| An abstract idealization (without size) of an exact position in physical space. Represented by a dot and named using a capital letter. | P | Point | 52%
|
| A line that contains a single endpoint and extends infinitely in one direction. | R | Ray | 50%
|
| An angle whose measure is 180 degrees. | S | {Straight} angle | 49%
|
| A statement or conjecture that can be proved to be true based on known and proved facts. | T | Theorem | 49%
|
| Two angles whose sum is 180 degrees. | S | {Supplementary} angles | 48%
|
| Points that lie in the same line. | C | {Collinear} points | 47%
|
| Points that lie on the same plane. | C | {Coplanar} points | 45%
|
| A set of points with infinite length and width, but no height. Often named using a capital letter in script. | P | Plane | 43%
|
| A logical argument in which each statement made is supported by a statement that is accepted as true. | P | Proof | 41%
|
| Points that do not lie on the same line. | N | {Noncollinear} points | 33%
|
| Points that do not lie on the same plane. | N | {Noncoplanar} points | 33%
|
| A statement that describes a fundamental relationship between basic terms of geometry and is accepted as true without proof. | P | Postulate | 22%
|
| A triangle with all angles congruent. | E | {Equiangular} triangle | 21%
|