Geometry and Measurement, Data, Statistics, and Probability Flashcards
(38 cards)
line
a collection of points that extends forever in both directions
ray
has one endpoint and extends in one direction forever
line segment
part of a line that has two endpoints
parallel lines
two lines in the same plane that are exactly the same distance apart. parallel lines will never intersect.
perpendicular lines
two lines in the same plane that intersect at a 90-degree angle
complimentary angles
two angles that add to 90 degrees.
supplementary angles
two angles that add to 180 degrees
scalene triangle
a triangle with no congruent sides
isosceles triangle
a triangle with two congruent sides
equilateral triangle
a triangle with all sides congruent
acute triangle
a triangle with all angle measures less than 90 degrees
right triangle
a triangle with one angle equal to 90 degrees
obtuse triangle
a triangle with one angle greater than 90 degrees
Pythagorean Theorem
if two sides of a right triangle are given, the Pythagorean Theorem is a way to find the third side.
pythagorean triples
whole numbers that satisfy the Pythagorean Theorem
3-4-5
6-8-10
5-12-13
formula for the perimeter of a rectangle
P = 2b + 2h, where b represents the base of the rectangle and h represents the height.
formula for the area of a rectangle and parallelogram
A = bh, where b represents the base of the rectangle and h represents the height.
formula for the area of a trapezoid
formula for the area of a triangle
formula for the area of a circle
formula for the circumference of a circle
formula for volume of a prism
formula for volume of a sphere
Venn diagram
used to show relationships among sets using overlapping circles to depict relationships