Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
|
parallelogram
|
opposite sides that are paralle and congruent
|
|
|
rectangle
|
parallologramwith four congruent sides
|
|
|
rhombus
|
parallelogram with four congruent sides
|
|
|
square
|
rectangle with four congruent
|
|
|
trapezoid
|
Quadrilateral with exactly two paralle sides
|
|
|
congruent line segments
|
they have the same lenght
|
|
|
scalene triangle
|
has no congruent sides
|
|
|
isosceles triangle
|
has at least two congruent sides
|
|
|
equilateral triangle
|
has three congruent sides
|
|
|
acute triangle
|
has only acute angles
|
|
|
obtuse triangle
|
has one obtuse angle
|
|
|
right triangle
|
has one right angle
|
|
|
parallel lines
|
are lines in the same plane that never intersect
|
|
|
perpendicular lines
|
they intersect to form a 90 degree angles or a right angle
|
|
|
skew lines
|
are lines that lie in diffrent planes.
they are neither paralle nor intersecting |
|
|
congruent angles
|
have the same mueasure
|
|
|
vertical angles
|
are formed oppiste from each other when two lines intersect
|
|
|
adjacent angles
|
are side by side and have a common vertex and ray
|
|
|
angle
|
is formed by two rays with a common endpoint called the vertex
|
|
|
vertex
|
is the middle of a line or angle
|
|
|
acute angle
|
is greater than o degrees and less than 90 degrees
|
|
|
right angle
|
measures exactly 90 degrees
|
|
|
obtuse angle
|
measures greater than 90 degrees and less than 180 degrees
|
|
|
straight angle
|
measures exactly 180 degrees
|
