1
Q
Triangle inequality
A
Difference < x < sum
2
Q
Interior angles for n sided polygon
A
180 (n-2)
3
Q
Circular sector
A
a slice of a circle made by drawing two radii from the center to the edge.
4
Q
Circular segment
A
A circular segment is the part of a circle cut off by a chord.
5
Q
Area of trapezoid
A
A = h(a+b)/2
6
Q
Lengths of 45,45,90 triangles
A
x,x, √2 x
7
Q
30,60,90 triangles lengths
A
x, 2x, √3 x
8
Q
Reflecting in y axis
(x,y) —>
A
(-x,y)
9
Q
Reflecting in x axis
(x,y) —>
A
(x,-y)
10
Q
Reflecting in axis
y=x
(x,y) —>
A
(y,x)
11
Q
Reflecting in axis
y= -x
(x,y) —>
A
(-y, -x)
Math
flashcards
Decks in class (13)
# Cards
