| Term | Definition |
|
Proportion |
equation stating that two ratios are equal |
|
extended proportion |
ex: a/b=c/d=e/f... |
|
a/b= |
ad=bc , a/c=b/d , b/a=d/c , a+b/b=c+d/d |
|
2x |
If x/y=5/2 then 5y= |
|
SAS inequality |
2 sides of a triangle are congruent to 2 sides of another triangle and the angle between them is greater than the other angle between them, the side opposite that angle will be greater than the other triangle's side |
|
SSS inequality |
if two sides of a triangle are congruent to two sides of another triangle and the third side in one triangle is longer than the third side of the other, then the angle between the pair of congruent sides in the first triangle is greater than the corresponding angle in the second triangle |
|
conditional |
if p then q |
|
contrapositive |
if not q then not p |
|
inverse |
if not p then not q |
|
converse |
if q then p |
|
Exterior angle inequality |
Theorem: The measure of an exterior angle of a triangle is equal to the sum of the two remote interior angles. |
|
Trapezoid |
a quad with one set of parallel sides |
|
Isosceles trapezoid |
trapezoid with congruent legs |
|
congruent |
THM: Base angles of an Isos. trap. are ____. |
|
Median of a trapezoid |
segment that joins the midpoint of the legs |
|
stop |
what to you do when your sick of typing? |