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GL 4th 6 Weeks

equilateral triangle a triangle that has all three sides congruent
isosceles triangle triangles that have two congruent sides
parallelogram a quadrilateral with both pairs of opposite sides parallel and opposite congruent sides
reflection a type of transformation that creates a mirror image of the shape across an axis
rhombus a quadrilateral that has opposite parallel sides, all four sides congruent, but not all angles are equal
scalene triangle a triangle that has no congruent sides
similar figures that has congruent corresponding angles and proportional corresponding sides
supplementary angles two angles with a sum that equals 180 degrees
transformation a change in position, size, or shape of a figure on a coordinate plane
translation a type of transformation involving a slide of the graphed figure
area the number of square units covering a surface of a figure
circumference the distance around a circle or its perimeter
diameter the distance across a circle through its center
perimeter the distance around a geometric figure or the sum of all its sides
radius the distance from the center of the circle to the edge
volume the amount of space that a 3D object contains, measured in cubic units
complementary angles two angles with a sum that equals 90 degrees
congruent two figures that have lengths and angle measurements of the same size
trapezoid a quadrilateral with exactly one set of parallel sides
Base of a figure the face that is perpendicular to the height of a solid and is used to clasify 3D figures
cone a 3D figure with a circular base and one vertex
cylinder a 3D figure with two parallel, congruent, circular bases
net a 2D representation of a 3D figure
prism a solid figure two parallel congruent bases and all other faces are parallelograms
pyramid the type of solid figure with one base and triangular lateral faces
Created by: Robin Greene