Feb. 4
Terms
undefined, object
copy deck
- cubic unit
- a cube with edges that are 1 unit long
- volume
- the number of cubic units needed to fill a solid figure
- square unit
- a square with sides that are each 1 unit long
- area
- the number of square units needed to cover the region inside a figure
- perimeter
- the distance around a figure
- peri
- around
- meter
- measure
- symmetric
- your figure is symmetric because the two halves of the figure match
- line of symmetry
- the fold line is the line of symmetry
- flip
- a flip of a figure gives its a mirror image
- congruent
- two figures are congruent if they have the same size and shape
- rectangle
- four right angles and opposite sides are the same length
- square
- four right angles and all sides are the same length
- parallelogram
- Opposite sides are parallel and all sides are the same length
- rhombus
- opposite sides are parallel and all sides are the same length
- trapezoid
- there is only one pair of parallel sides
- polygon
- a closed figure made up of parallel sides
- side
- EACH LINE SEGMENT ON A POLYGON IS A SIDE
- equilateral triangle
- all sides are the same length
- isosceles triangle
- at least two sides are the same length
- scalene triangle
- no sides are the same length
- right triangle
- one angle is a right angle
- acute triangle
- all three sides are acute angles
- obtuse triangle
- one angle is an obtuse angle
- angle
- an angle is made by two rays that have the same end point.