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chapter 10 math
| Question | Answer |
|---|---|
| having the same size and shape | congruent |
| a two-dimensional pattern that can be folded into a three-dimensional polyhedron | nets |
| a triangle that has three angles less than 90 degrees | acute triangle |
| the line segment where two faces of a solid figure meet | edge |
| a polygon that is a flat surface of a solid figure | face |
| a solid figure with faces that are solid figures | polyhedron |
| a tool used for measuring or drawing angles | protractor |
| a polygon in which all sides are congruent and all angles are congruent | regular polygon |
| the point where two or more rays meet; the point of intersection of two sides of a polygo; the point of intersection of three or more edges of a solid figure; the top point of a cone | vertex |
| a polygon with 10 sides and 10 angles | decagon |
| a parallelogram with four right angles | rectangle |
| a triangle with 3 equal, or congruent sides | equilateral triangle |
| a quadrilateral with exactly one pair of parallel sides | trapezoid |
| a triangle that has a 90 degree angle | right trangle |
| a polygon with 8 sides and 8 angles | octagon |
| a parallelogram with 4 equal, or congruent sides | rhombus |
| a triangle with no congruent sides | obtuse triangle |
| a closed plane figure formed by 3 or more line segments | polygon |
| a triangle that has one angle greater than 90 degrees | obtuse triangle |
| a polygon with 4 sides and 4 angles | quadrilateral |
| a triangle with exactly two congruent sides | isosceles triangle |
| a polygon with 6 sides and 6 angles | hexagon |
| a quadrilateral whose opposite sides are parallel and have the same length, or are congruent | parallelogram |