Angles and geometric figures Flashcards
1
Q
Complementary angles
A
angles that add up to 90 degrees
2
Q
Supplementary
A
Angles that add up to 180 degrees
3
Q
Perimeter of a triangle
A
b+c+d
4
Q
Area of a triangle
A
1/2(b*h)
5
Q
Perimeter of square
A
s+s+s+s or 4s
6
Q
Area of a square
A
s^2
7
Q
Perimeter of a rectangle
A
L+w+L+w or 2L+2w
8
Q
Area of a rectangle
A
L*W
9
Q
Circumference of circle
A
2pir or pi*d
10
Q
Area of a circle
A
pi*r squared
11
Q
Distance formula
A
square root of (x2-x1)^2 + (y2-y1)^2
12
Q
90 counterclockwise rotation
A
(-y,x)
13
Q
180 counterclockwise/clockwise
A
(-x,-y)
14
Q
270 counterclockwise
A
(y,-x)
15
Q
90 clockwise
A
(y,-x)
