Geometry terms, triangles/ angles
Terms : Hide Images
| 88843192 | rhombus | quadrilateral with all four sides congruent | |
| 88843193 | acute triangle | a triangle with all three angles less than 90 degrees | |
| 88843194 | square | regular quadrilateral | |
| 88843195 | isosceles triangle | triangle with two equal sides | |
| 88843196 | perimeter | sum of the lengths of the sides | |
| 88843197 | obtuse triangle | traingle with one angle more than 90 degrees | |
| 88843198 | kite | quadrilateral that has two pairs of adjacent sides the same length | |
| 88843199 | diagonal | a line segment connecting non-adjacent vertices of a polygon | |
| 88843200 | convex | every line segment connecting interior points that is entirely contained with the figure's interior | |
| 88843201 | parallelogram | quadrilateral that has two pairs of opposite sides that are parallel | |
| 88843202 | right triangle | triangle with one right (90 degree) angle | |
| 88843203 | rectangle | quadrilateral with four right angles | |
| 88843204 | trapezoid | quadrilateral that has one pair of opposite sides that are parallel | |
| 88843205 | equilateral triangle | traingle with three equal sides | |
| 88843206 | polygon | a closed plane figure for which all sides are line segments | |
| 88843207 | scalene triangle | traingle with all three sides unequal | |
| 88843208 | concave | a shape or solid which has a "cave" in it | |
| 88843209 | congruent | same size and shape | |
| 90353928 | equiangular polygon | All of the angles equal each other | |
| 90353929 | regular polygon | All the sides and angles are the same | |
| 90353930 | vertex angle | Point at which two line segments intersect (forming an angle) | |
| 90353931 | base | congruent angles sharing a vertex | |
| 90353932 | vertex | The rays of an angle are also known as this | |
| 90353933 | equilateral polygon | All the sides equal each other | |
| 90353934 | base angle | the angle opposite one of the equilateral sides in an isoscoles triangle | |
| 94819171 | colinear | points on the same line | |
| 94819172 | bisect | a ray that divides an angle in half | |
| 94819173 | midpoint | the center point of the line | |
| 94819174 | endpoint | a point that ends a line | |
| 94819175 | degree | A unit of measure for angles and arcs equivalent to 1/360 of a rotation around a circle. | |
| 94819176 | supplementary angle | two angles with a sum of 180 degrees | |
| 94819177 | complementary angle | two angles with a sum of 90 degrees | |
| 94819178 | right angle | the 90 degree angle | |
| 94819179 | obtuse angle | An angle that measures more than 90 degrees but less than 180 degrees | |
| 94819180 | acute angle | an angle less than 90 degrees but more than 0 degrees | |
| 94819181 | linear pair | two angles that share a vertex and a common side | |
| 94819182 | consecutive | one after the other, interior angles are supplementary | |
| 94819183 | quadrilateral | a four-sided polygon | |
| 94819184 | rhombus | a parallelogram with 4 congruent sides | |
| 94819185 | hexagon | a polygon with 6 sides | |
| 94819186 | pentagon | a five-sided polygon | |
| 94819187 | octagon | A polygon with 8 sides | |
| 94819188 | parallel | Lines that stay the same distance apart and never meet. | |
| 94819189 | perpendicular | intersecting at or forming right angles | |
| 110456567 | point | to indicate a location on a line or plane | |
| 110456568 | line | a straight, continuous arrangement of many points | |
| 110459660 | plane | a flat surface that extends infinitely in all directions | |
| 110459661 | coplanar | points on the same plane | |
| 110459662 | line segment | a line with two endpoints | |
| 110459663 | ray | an endpoint with a continuous line of infinite points | |
| 110459664 | angle | two noncollinear rays having a common endpoint | |
| 110459665 | sides | congruent angles sharing a vertex | |
| 110459666 | segment addition postulate | AB + BC = AC | |
| 110459667 | angle addition postulate | | | |
| 110459668 | consecutive angles | angles that share one side in common | |
| 110459669 | consecutive vertices | in a polygon two vertices that are endpoints of the same line | |
| 110459670 | consecutive sides | sides in a polygon that are connected by a vertex | |
| 110459671 | corresponding | agreeing in amount, magnitude, or degree | |
| 110459672 | equilateral | all sides are congruent | |
| 110459673 | equiangular | having all angles equal | |
| 110459674 | regular | angles and sides are congruent | |
| 110459675 | angle bisector | Cuts in half | |
| 111706108 | leg | a side of a right triangle that include the 90 degree angle | |
| 111706109 | assumption | ... | |
| 111706110 | statement | a message that is stated or declared | |
| 111706111 | reason | think logically | |
| 111706112 | given | ... | |
| 111706113 | reflexive | every triangle is congruent to itself | |
| 111706114 | polyhedra | A three dimensional shape with flat surfaces, no holes, straight edges | |
| 111706115 | tetrahedron | composed of four equilateral triangles, each three of which meet in a point | |
| 111706116 | cube | a three-dimensional shape with six square or rectangular sides | |
| 111706117 | octahedron | an eight-sided solid figure | |
| 111706118 | icosahedron | a regular polyhedron with 20 triangular faces is called a(n) | |
| 111706119 | irregular polyhedra | polygons that are composed of elements that are not all equal. | |
| 111706120 | face | a polygonal region of a surface | |
| 111706121 | side | congruent angles sharing a vertex | |
| 111706122 | edge | a segment that helps to make up a face | |
| 111866918 | vertical angles | are congruent and are equal to each other | |
| 111866919 | heptagon | polygon with 7 sides | |
| 111866920 | nonagon | polygon with 9 sides | |
| 111866921 | decagon | polygon with 10 sides | |
| 111866922 | dodecagon | polygon with 12 sides | |
| 111866923 | transversal | line that intersects two or more other coplanar lines | |
| 111866924 | alternate interior angles | angles between 2 lines and on opposite sides of a transversal | |
| 111866925 | alternate exterior angles | Angles that lie outside a pair of lines and on opposite sides of a transversal. | |
| 111866926 | corresponding angles | angles in the same place on different lines | |
| 111866927 | perpendicular bisector | A line that is perpendicular to a segment at its midpoint. |
