Trigonometry Flashcards
1
Q
Area of rectangle
A
L*W
2
Q
Perimeter of rectangle
A
2(L+W)
3
Q
Area of square
A
sideside (aa = a^2)
3
Q
Perimeter of square
A
4side (4a)
4
Q
Area of parallelogram
A
bh or ab*sin angle
4
Q
perimeter of parallelogram
A
2(a+b)
5
Q
Area of triangle
A
1/2bh or 1/2ab*sin C
6
Q
Perimeter of triangle
A
a+b+c
7
Q
Area of trapesium
A
1/2(a+b)h
8
Q
perimeter of trapesium
A
sum of all sides
9
Q
Area of circle
A
pi*r^2
10
Q
Perimeter/Circumference of circle
A
2pir or pi*d
11
Q
Area of semicircle
A
1/2pir^2
12
Q
Perimeter/Circumference of semicircle
A
1/2pid+d
13
Q
Area of sector
A
pir^2angle/360 or pir^2angle/360
