Shared Flashcard Set

Details

Math 252 Test 1
N/A
29
Mathematics
Undergraduate 2
02/23/2010

Additional Mathematics Flashcards

 


 

Cards

Term
T/F: Every square is a rhombus
Definition
True
Term
T/F: Some right triangles are obtuse
Definition
False
Term
T/F: All equilateral triangles are isosceles
Definition
True
Term
T/F: All squares are kites
Definition
true
Term
line
Definition
has no points, goes on forever
Term
line segment
Definition
has two points on a line
Term
ray
Definition
straight line extending from one point
Term
complementary angles
Definition
sum of 2 angles is 90 degrees
Term
supplementary angle
Definition
sum of 2 angles equals 180 degrees
Term
reflex angle
Definition
angle which is greater than 180 degrees
Term
simple curve
Definition
doesnt self intersect
Term
closed
Definition
has no endpoints
Term
scalene
Definition
none of legs are same
Term
isoceles
Definition
at least 2 legs are congruent
Term
equilateral
Definition
all legs are same
Term
right angle
Definition
has exactly one angle of 90 degrees
Term
obtuse
Definition
has one angle between 90 and 180 degrees
Term
acute
Definition
all 3 angles are less than 90 degrees
Term
equation for finding sum of int. angles of a polygon
Definition
(n-2) 180, where n is number of sides
Term
equation for finding regular polygon angle measures
Definition
(n-2) 180/ n , where n is number of sides
Term
polyhedron
Definition
3D shape, 5 main regular polyhedra exist
Term
transversal of parallel lines
Definition
lines m and n are parallel if and only if alter interior angles are congruent, alt. exterior angles are congruent and corresponding angles are congruent
Term
vertical angle
Definition
same angle measure created anytime 2 lines intersect
Term
parallelogram
Definition
quadrilateral in which each pari of opposite sides is parallel
Term
rectangle
Definition
a parallelogram with a right angle
Term
square
Definition
a rectangle with all sides congruent
Term
rhombus
Definition
parallelogram with all sides congruent
Term
kite
Definition
a quadrilateral with 2 distinct pairs consisting of consecutive sides, which are congruent
Term
trapezium
Definition
a quadrilateral in which neither pair of opposite sids are parallel
Supporting users have an ad free experience!