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;
37 Cards in this Set
- Front
- Back
|
What type of angle measures less than 90 degrees?
|
acute
|
|
|
Write the converse:
If I like school, then I am cool. |
If I am cool, then I like school.
|
|
|
adjacent angles in a parallelogram are?
|
supplementary
|
|
|
How do you find the maximum area of a rectangle?
|
Divide the perimeter by four, then square the number (multiply times itself)
|
|
|
linear pair
|
180 degrees together
|
|
|
Write the first statement for an indirect proof of:
All rectangles are parallelograms. |
All rectangles are not parallelograms.
|
|
|
vertical angles
|
make an X and are congruent when across from each other
|
|
|
If a+3>5, then a >2.
|
Subtraction property of inequality.
|
|
|
If a=b, and b=c, then a = c.
|
Transitive property
|
|
|
How do you know if 2 lines are parallel?
|
same slope
|
|
|
If q then p
is the same as ? |
If ~p then ~ q.
|
|
|
What type of angle measures exactly 90 degrees?
|
right
|
|
|
vertical angles
|
make an X and are congruent when across from each other
|
|
|
What is the greatest number of pieces of pizza you can make using 3 straight cuts?
|
7
|
|
|
How many different ways can three people sit around a table?
|
6
|
|
|
If the area of a triangle is 48 and the base is 12, find the height. A=1/2bh
|
8
|
|
|
angles that measure 180 degrees together
|
supplementary
|
|
|
what is the median of a triangle?
|
segment from a vertex to the opposite side that intersects at the midpoint
|
|
|
opposite angles in a parallelgram are?
|
congruent
|
|
|
How many right angles can there be in a triangle?
|
1
|
|
|
not p
|
~p
|
|
|
If xy=bc, then bc=xy.
|
Symmetric property
|
|
|
angles that measure 90 degrees together
|
complementary
|
|
|
What type of angle measures more than 90 degrees?
|
obtuse
|
|
|
If ab=ab, then ab=ab.
|
Reflexive property
|
|
|
What are the 3 undefined terms in geometry?
|
point, line, plane
|
|
|
Write the inverse of:
If I like school, then I am cool. |
If I don't like school, then I am not cool.
|
|
|
How many obtuse angles can there be in a triangle?
|
1
|
|
|
Find the distance between 2 points.
|
use the distance formula:
the square roof of: (x2-x1)to the second power + (y2-y1)to the second power. |
|
|
How do you know if 2 lines are perpendicular?
|
opposite reciprocal slopes
|
|
|
Write the contrapositive:
If I like school, then I am cool. |
If I am not cool, then I do not like school.
|
|
|
What are skew lines?
|
Lines that do not intersect and are not parallel
|
|
|
If a then b and a is true, what is b? (true/false)
|
true
|
|
|
what is an altitude of a triangle?
|
perpendicular distance from a vertex to the opposite side
|
|
|
what is the pythagorean theorem?
|
a squared plus b squared equals c squared
|
|
|
Could 3 sides of a triangle be 12,12,and 12?
|
yes- equilateral triangle
|
|
|
If a + b = c + b, then a=c.
|
The subtraction property of equality.
|
