Important Formulas Flashcards
0
Q
Circumference?
A
3.14 x D
OR
2πr
1
Q
Perimeter?
A
Add all sides
2
Q
Area of Rectangle?
A
L x W
3
Q
Area of Parallelogram?
A
B x H
4
Q
Area of triangle?
A
1/2 (B x H)
5
Q
Area of trapezoid?
A
1/2 H (b1+b2)
6
Q
Area of circle?
A
πr2
7
Q
Surface area of prism?
A
SA= 2( L x W)+ 2(L x H)+ 2(H x W)
8
Q
Volume of prism?
A
LxWxH
9
Q
Volume of cylinder?
A
πr2(H)
10
Q
Surface Area of cylinder?
A
SA= (2πr2)+(2πrH)
10
Q
Volume of a pyramid?
A
V= 1/3 (L x W x H)
12
Q
Volume of a cone?
A
V= 1/3 πr2H
13
Q
Surface area of a pyramid?
A
SA= ( area of base)+ 1/2 ( perimeter of base)h
14
Q
Surface Area of a cone?
A
SA= πr2 + πrL