Day 3 Formula Flashcards
1
Q
Sum of interior angles
A
180(n-2)
2
Q
Sum of exterior angle
A
360(n-2)
3
Q
Measure of interior angle of a rwgular polygon
A
180(n-2)/n
4
Q
Measure of exterior angle of a regular polygon
A
360/n
5
Q
Number of diagonals in a polygon
A
D= n(n-3)/2
6
Q
Perimeter of a regular polygon
A
P=nx
7
Q
Arwa of a regular polygon
A
A=nxa/2
use apothem figure
8
Q
Perimeter of a square
A
P=4x
9
Q
Area of rhombus given diagonals
A
d1d2/2
10
Q
Volume of a prism
A
V=Bh
11
Q
Volume of a cylinder
A
Pi•r²h
12
Q
Volume of a cone
A
(Pi•r²h)/3
13
Q
Volume of the frustrum cone
A
Pi/3•(r²•R²+rR)h
14
Q
Volume of a pyramid
A
Bh/3
15
Q
Volume of sphere
A
V= (4•pi•r³)/3
