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Gravity
Terms in this set (53)
angle
formed by two sides and a common endpoint
Vertex
common endpoint of an angle
Volume
measures the space that a three dimensional figure occupies
Right angle
An angle that measures exactly 90 degrees
Radius
A line segment whose end points are the center of a circle and any point on the circle
Hexagon
A polygon with six sides
Area
The number of square units inside a geometric figure
Straight angle
An angle that measures exactly 180 degrees
Vertical angles
Opposite angles formed by intersecting lines that has no congruent sides
Scalene triangle
A triangle that has no congruent sides
Square
A parallelogram with four right angles and four congruent sides
Acute angles
An angle that measures less than 90 degrees
Prism
A 3-D figure with at least 3 rectangular lateral faces and the top and bottom faces parallel
Right triangle
A triangle with exactly one right angle
Isosceles triangle
A triangle with two congruent sides
Complementary angle
Two angles whose sum is 90 degrees
Similar figures
Have the same shape and their corresponding linear measures are proportional
Circumference
The distance around a circle
Parallelogram
A quadrilateral with opposite parallel and congruent sides
Octagon
A polygon with eight sides
Perpendicular lines
Lines that meet or cross each other to form right angles
Supplementary angles
Two angles whose sum is 180 degrees
Pyramid
A 3-D figure with at least three lateral faces that are triangles and only one base
Obtuse angle
An angle that measures between 90 and 180 degrees
Face
A flat surface of a three dimensional figure
Regular polygon
A polygon with all sides and all angles congruent
Acute triangle
a triangle with three acute angles
Cylinder
Three dimensional figure with two parallel congruent circular bases
Pentagon
a polygon with five sides
Equilateral triangle
A triangle that has three congruent sides
Heptagon
Polygon with seven sides
Nonagon
Polygon with nine sides
Rectangle
Parallelogram with four right angles and two pairs of opposite
congruent sides
Adjacent angles
A pair of angles that share a common vertex and a common side
Decagon
A polygon with 10 sides
Circle
The set of all points in a point that are the same distance from a given point
Congruent
Same measure or saying length
Quadrilateral
A polygon with four sides and four angles
Scale factor
Ratio without units in simplest form
Triangle sum theroem
The sum of the measures of A triangle is 180°
Edge
A line where two planes intersect
Cone
Three dimensional figure with a curved surface of a circular base
Obtuse triangle
Triangle that has exactly one obtuse angle
Trapezoid
A quadrilateral with exactly one pair of opposite parallel sides
Parallel lines
Lines in a plane that never intersect
Diameter
Line segment separate that passes through the center of a circle, lie on the circle
Perimeter
Distance around a geometric figure
Surface area
The sum of the areas of all surfaces of a three dimensional figure
Rhombus
A parallelogram with opposite congruent angles and four congruent sides
Polygon
A simple,closed plane figure formed by three or more line segments
Corresponding angles
Nonadjacent angles in the same relative position, one inside, one outside
Alternate interior angles
Nonadjacent angles on the inside of parallel lines, on opposite sides of the transversal
Alternate exterior angles
Nonadjacent angles on the outside of parallel lines, on opposite sides of the transversal
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