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MC Ch13 Vocab
Gr5 Math Vocab
| Question | Answer |
|---|---|
| acute angle | an angle with a measure between 0º and 90º |
| angle | two RAYS with a common endpoint |
| CONGRUENT line segments | line segments that have EXACTLY the same LENGTH |
| degree | a unit for measuring angles |
| EQUILATERAL triangle | a triangle with three CONGRUENT sides and angles |
| image | the result after a geometric figure has been TRANSFORMED |
| INTERSECTING lines | LINES that meet or CROSS at a common POINT |
| ISOSCELES triangle | a triangle with at least 2 sides the SAME length and 2 EQUAL angles |
| obtuse angle | an angle that measures between 90º and 180º |
| PARALLEL lines | lines that are the same distance apart; DO NOT INTERSECT |
| parallelogram | a QUADRILATERAL with four sides in which each pair of OPPOSITE sides are PARALLEL and CONGRUENT |
| PERPENDICULAR lines | LINES that cross each other at RIGHT ANGLES |
| quadrilateral | a POLYGON that has 4 sides and 4 angles |
| rectangle | a QUADRILATERAL with four RIGHT angles; OPPOSITE sides are EQUAL and PARALLEL |
| REFLECTION | a figure that is FLIPPED over a line to create a MIRROR image of that figure |
| rhombus | a PARALLELOGRAM with four CONGRUENT sides |
| right angle | an angle with a measure of 90º |
| ROTATION | TURNING a figure about a fixed point |
| SCALENE triangle | a triangle with NO CONGRUENT SIDES OR ANGLES |
| square | a rectangle with four CONGRUENT SIDES |
| TRANSFORMATION | a movement of a figure that does NOT CHANGE the SIZE or SHAPE of that figure |
| TRANSLATION | SLIDING a figure in a STRAIGHT LINE horizontally, vertically, or diagonally |
| trapezoid | a QUADRILATERAL with EXACTLY one pair of PARALLEL sides |