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math voc. pt.2
Question | Answer |
---|---|
area | multiply length times width or count the number of squares in an area |
perimeter | the distance around a shape. Add up all the sides |
parallel lines | lines that never cross |
perpendicular lines | lines that cross in right angles |
acute angle | angle that is smaller than 90 degrees |
obtuse angle | angle that is larger than 90 degrees but less than 180 degrees |
right angle | angle that is 90 degrees |
angle that is 90 degrees | 180 degrees or a line |
line | a line that goes in both directions with no endpoint. |
ray | a line that goes in both directions with no endpoint. |
line segment | part of line that has two endpoints |
exponents | 2x2x2x2x2x2 |
equilateral triangle | all 3 sides are equal |
isosceles triangle | two sides are equal |
scalene triangle | none of the sides are equal |
acute triangle | all 3 angles are acute |
obtuse triangle | only one angle is obtuse |
right triangle | one angle is right |
quadrilateral | |
trapezoid | quadrilateral that has exactly one pair of parallel sides |
parallelogram | a quadrilateral whose opposite sides are parallel and are the same length |
rhombus | opposite sides are parallel and all sides are the same length |
pentagon | five sides polygon |
hexagon | six sided polygon |
octagon | eight sided polygon |